Energy Level (EL) References to Original Literature: Ni

1. Burns, K., and Sullivan, F. (1947), Science Studies St. Bonaventure College 13, No. 3; (1948), ibid. 14, No. 3.
2. Childs, W. J., Fred, M., and Goodman, L. S. (1966), Phys. Rev. 141, 44.
3. Childs, W. J., and Goodman, L. S. (1968), Phys. Rev. 170, 136.
4. Childs, W. J., and Greenebaum, B. (1972), Phys. Rev. A 6, 105.
5. Dijkstra, H. (1937), Physica 4, 81.
6. Lindsley, C. H. (1942), J. Opt. Soc. Am. 32, 94.
7. Marvin, H. H. and Baragar, A. E. (1933), Phys. Rev. 43, 973.
8. Roth, C. (1980), At. Data Nucl. Data Tables 25, 91.
9. Russell, H. N. (1929), Phys. Rev. 34, 821.

1. Brault, J. W., and Litzen, U. (1983), Phys. Scr. 28, 475.
2. Lindsley, C. H. (1942), J. Opt. Soc. Am. 32, 387.
3. Roth, C. (1969), J. Res. Natl. Bur. Stand. 73A, 125.
4. Shadmi, Y., and Caspi, E. (1972), J. Res. Natl. Bur. Stand. 76A, 125.
5. Shenstone, A. G. (1970), J. Res. Natl. Bur. Stand. 74A, 801.
6. Shenstone, A. G. (1971), J. Res. Natl. Bur. Stand. 75A, 335.

1. Garcia-Riquelme, O., and Velasco, R. (1955), An. R. Soc. Esp. Fis. Quim. A51, 41.
2. Garcia-Riquelme, O. (1958), J. Opt. Soc. Am. 48, 183.
3. Pasternak, A. and Goldschmidt, Z. B. (1972), Phys. Rev. A 6, 55.
4. Roth, C. (1968), J. Res. Natl. Bur. Stand. 72A, 505.
5. Shadmi, Y. (1962), Bull. Res. Council Israel 10F, 109.
6. Shadmi, Y., Caspi, E., and Oreg, J. (1969), J. Res. Natl. Bur. Stand. 73A, 173.
7. Shenstone, A. G. (1954), J. Opt. Soc. Am. 44, 749.

1. Garcia-Riquelme, O. (1968), Physica 40, 27.
2. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
3. Poppe, R. (1968), Physica 40, 17.
4. Poppe, R. (1976), Physica 81C, 351.

1. Raassen, A. J. J., van Kleef, Th. A. M., and Metsch, B. C. (1976), Physica 84C, 133.
2. Raassen, A. J. J. and van Kleef, Th. A. M. (1977), Physica 85C, 180.

1. Kruger, P. G. and Gilroy, H. T. (1935), Phys. Rev. 48, 720.
2. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
3. Raassen, A. J. J. (1980), Physica 100C, 404.

1. Henrichs, H. F. (1975), Astron. Astrophys. 44, 41.
2. Phillips, L. W., and Kruger, P. G. (1938), Phys. Rev. 54, 839.
3. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.

1. Anderson, E. E., and Mack, J. E. (1941), Phys. Rev. 59, 717.
2. Bowen, I. S. (1960), Astrophys. J. 132, 1.
3. Kancerevicius, A., Ramonas, A., and Uspalis, K. (1976), Lietuvos Fizikos Rinkinys 16, 49.
4. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
5. Racah, G. (1954), Bull. Res. Council Israel 3, 290.

1. Alexander, E., Feldman, U., Fraenkel, B. S., and Hoory, S. (1966), J. Opt. Soc. Am. 56, 651.
2. Even-Zohar, M., and Fraenkel, B. S. (1968), J. Opt. Soc. Am. 58, 1420.
3. Fawcett, B. C., Ridgeley, A., and Ekberg, J. O. (1980), Phys. Scr. 21, 155.
4. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
5. Pryce, M. H. L. (1964), Astrophys. J. 140, 1192.

1. Alexander, E., Feldman, U., and Fraenkel, B. S. (1965), J. Opt. Soc. Am. 55, 650.
2. Even-Zohar, M. and Fraenkel, B. S. (1968), J. Opt. Soc. Am. 58, 1420.
3. Gabriel, A. H., Fawcett, B. C., and Jordan, C. (1966), Proc. Phys. Soc. 87, 825.
4. Goldsmith, S. and Fraenkel, B. S. (1970), Astrophys. J. 161, 317.
5. Hoory, S., Goldsmith, S., Fraenkel, B. S., and Feldman, U. (1970), Astrophys. J. 160, 781.
6. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
7. Ramonas, A. A., and Ryabtsev, A. N. (1980), Opt. Spectrosc. 48, 631.

1. Even-Zohar, M. and Fraenkel, B. S. (1968), J. Opt. Soc. Am. 58, 1420.
2. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
3. Sandlin, G. D., and Tousey, R. (1979), Astrophys. J. 227, L107.
4. Svensson, L. A., Ekberg, J. O., and Edlen, B. (1974), Sol. Phys. 34, 173.
5. Swartz, M., Kastner, S. O., Goldsmith, L., and Neupert, W. (1976), J. Opt. Soc. Am. 66, 240.

1. Bromage, G. E., Cowan, R. D., and Fawcett, B. C. (1977), Phys. Scr. 15, 177.
2. Edlen, B. and Smitt, R. (1978), Sol. Phys. 57, 329.
3. Fawcett, B. C., Cowan, R. D., and Hayes, R. W. (1972), J. Phys. B 5, 2143.
4. Fawcett, B. C. and Hatter, A. T. (1980), Astron. Astrophys. 84, 78.
5. Goldsmith, S. and Fraenkel, B. S. (1970), Astrophys. J. 161, 317.
6. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
7. Nussbaumer, H. (1976), Astron. Astrophys. 48, 93.

1. Fawcett, B. C. and Hayes, R. W. (1972), J. Phys. B 5, 366.
2. Fawcett, B. C., Cowan, R. D., and Hayes, R. W. (1972), J. Phys. B 5, 2143.
3. Fawcett, B. C. and Hatter, A. T. (1980), Astron. Astrophys. 84, 78.
4. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
5. Sandlin, G. D., Brueckner, G. E., and Tousey, R. (1977), Astrophys. J. 214, 898.
6. Svensson, L. A. (1971), Sol. Phys. 18, 232.

1. Fawcett, B. C., and Hayes, R. W. (1972), J. Phys. B 5, 366.
2. Fawcett, B. C., and Hatter, A. T. (1980), Astron. Astrophys. (1980), 84, 78.
3. Fawcett, B. C., Cowan, R. D., and Hayes, R. W. (1972), J. Phys. B 5, 2143.
4. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
5. Sandlin, G. D., Brueckner, G. E., and Tousey, R. (1977), Astrophys. J. 214, 898.
6. Svensson, L. A. (1971), Sol. Phys. 18, 232.

1. Fawcett, B. C. and Hayes, R. W. (1972), J. Phys. B 5, 366.
2. Fawcett, B. C. and Hatter, A. T. (1980), Astron. Astrophys. 84, 78.
3. Fawcett, B. C., Cowan, R. D., and Hayes, R. W. (1972), J. Phys. B 5, 2143.
4. Kastner, S. O., Swartz, M., Bhatia, A. K., and Lapides, J. (1978), J. Opt. Soc. Am. 68, 1558.
5. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
6. Sandlin, G. D., Brueckner, G. E., and Tousey, R. (1977), Astrophys. J. 214, 898.
7. Svensson, L. A. (1971), Sol. Phys. 18, 232.

1. Fawcett, B. C. and Hatter, A. T. (1980), Astron. Astrophys. 84, 78.
2. Fawcett, B. C., Cowan, R. D., and Hayes, R. W. (1972), J. Phys. B 5, 2143.
3. Fawcett, B. C. and Hayes, R. W. (1972), J. Phys. B 5, 366.
4. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.

1. Behring, W. E., Cohen, R., and Feldman, U. (1972), Astrophys. J. 175, 493.
2. Dere, K. P. (1978), Astrophys. J. 221, 1062.
3. Fawcett, B. C., Cowan, R. D., and Hayes, R. W. (1972), J. Phys. B 5, 2143.
4. Fawcett, B. C., Gabriel, A. H., Irons, F. E., Peacock, N. J., and Saunders, P. A. H. (1966), Proc. Phys. Soc. 88, 1051.
5. Fawcett, B. C. and Hayes, R. W. (1972), J. Phys. B 5, 366.
6. Fawcett, B. C. and Hatter, A. T. (1980), Astron. Astrophys. 84, 78.
7. Feldman, U., Katz, L., Behring, W. E., and Cohen, L. (1971), J. Opt. Soc. Am. 61, 91.
8. Finkenthal, M., Hinnov, E., Cohen, S. and Suckewer, S. (1982), Phys. Lett. A 9, 284.
9. Kastner, S. O., Swartz, M., Bhatia, A. K., and Lapides, J. (1978), J. Opt. Soc. Am. 68, 1558.

1. Edlen, B. (1936), Z. Phys. 100, 621.
2. Edlen, B. (1978), Phys. Scr. 17, 565.
3. Fawcett, B. C. and Hatter, A. T. (1980), Astron. Astrophys. 84, 78.
4. Fawcett, B. C., Cowan, R. D., and Hayes, R. W. (1972), J. Phys. B 5, 2143.
5. Feldman, U. and Cohen, L. (1967), J. Opt. Soc. Am. 57, 1128.
6. Feldman, U., Katz, L., Behring, W., and Cohen, L. (1971), J. Opt. Soc. Am. 61, 91.
7. Kononov, E. Y., Kovalev, V. I., Ryabtsev, A. N., and Churilov, S. S. (1977), Sov. J. Quantum Electronics 7, 111.
8. Peacock, N. J., Stamp, M. F., and Silver, J. D. (1984), Phys. Scr. T8, 10.
9. Sandlin, G. D., Brueckner, G. E., Scherrer, V. E., and Tousey, R. (1976), Astrophys. J. 205, L47.

1. Feldman, U., Cohen, L., and Swartz, M. (1967), Astrophys. J. 148, 585.
2. Feldman, U. and Cohen, R. (1967), Astrophys. J. 149, 45.
3. Gordon, H., Hobby, M. G., and Peacock, N. J. (1980), J. Phys. B 13, 1985.
4. Kastner, S. O., Behring, W. E., and Cohen, L. (1975), Astrophys. J. 199, 777.
5. Klapisch, M., Bar Shalom, A., Schwob, J. L., Fraenkel, B. S., Breton, C., de Michelis, C., Finkenthal, M., and Mattioli, M. (1978), Phys. Lett. 69A, 34.
6. Swartz, M., Kastner, S., Rothe, E., and Neupert, W. (1971), J. Phys. B 4, 1747.

1. Boiko, V. A., Pikuz, S. A., Safronova, A. S., and Faenov, A. Y. (1978), Opt. Spectrosc. 44, 498.
2. Doschek, G. A., Feldman, U., Cowan, R. D., and Cohen, L. (1974), Astrophys. J. 188, 417.
3. Gordon, H., Hobby, M. G., and Peacock, N. J. (1980), J. Phys. B 13, 1985.
4. Hinnov, E., Suckewer, S., Cohen, S., and Sato, K. (1982), Phys. Rev. A 25, 2293.
5. Lotz, W. J. (1967), J. Opt. Soc. Am. 57, 873.
6. Peacock, N. J., Stamp, M. F., and Silver, J. D. (1984), Phys. Scr. T8, 10.

1. Doschek, G. A., Feldman, U., Cowan, R. D., and Cohen, L. (1974), Astrophys. J. 188, 417.
2. Doschek, G. A., Feldman, U., Davis, J., and Cowan, R. D. (1975), Phys. Rev. A 12, 980.
3. Gordon, H., Hobby, M. G., and Peacock, N. J. (1980), J. Phys. B 13, 1985.
4. Hinnov, E., Suckewer, S., Cohen, S., and Sato, K. (1982), Phys. Rev. A 25, 2293.
5. Kaufman, V. and Sugar, J. (1982), private communication.
6. Lawson, K. D. and Peacock, N. J. (1980), J. Phys. B 13, 3313.
7. Lotz, W. J. (1967), J. Opt. Soc. Am. 57, 873.
8. Widing, K. G. (1978), Astrophys. J. 222, 735.

1. Doschek, G. A., Feldman, U., Cowan, R. D., and Cohen, L. (1974), Astrophys. J. 188, 417.
2. Hinnov, E., Suckewer, S., Cohen, S., and Sato, K. (1982), Phys. Rev. A 25, 2293.
3. Kaufman, V. and Sugar, J. (1982), private communication.
4. Lawson, K. D. and Peacock, N. J. (1980), J. Phys. B 13, 3313.
5. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.

1. Edlen, B. (1984), private communication.
2. Hinnov, E., Suckewer, S., Cohen, S., and Sato, K. (1982), Phys. Rev. A 25, 2293.
3. Kaufman, V. and Sugar, J. (1982), private communication.
4. Lawson, K. D. and Peacock, N. J. (1980), J. Phys. B 13, 3313.
5. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.

1. Edlen, B. (1983), Phys. Scr. 28, 483.
2. Hinnov, E., Suckewer, S., Cohen, S., and Sato, K. (1982), Phys. Rev. A 25, 2293.
3. Kaufman, V. and Sugar, J. (1982), private communication.
4. Lawson, K. D. and Peacock, N. J. (1980), J. Phys. B 13, 3313.
5. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
6. Sandlin, G. D., Brueckner, G. E., Scherrer, V. E., and Tousey, R. (1976), Astrophys. J. 205, L47.

1. Breton, C., De Michelis, C., Finkenthal, M., and Mattioli, M. (1979), J. Opt. Soc. Am. 69, 1652.
2. Edlen, B. (1983), Phys. Scr. 28, 51.
3. Fawcett, B. C., Ridgeley, A., and Hughes, T. P. (1979), Mon. Not. R. Astron. Soc. 188, 365.
4. Lawson, K. D. and Peacock, N. J. (1980), J. Phys. B 13, 3313.
5. Lotz, W. (1967), J. Opt. Soc. Am. 57, 873.
6. Sandlin, G. D., Brueckner, G. E., Scherrer, V. E., and Tousey, R. (1976), Astrophys. J. 205, 147.

1. Edlen, B. (1979), Phys. Scr. 19, 255.
2. Edlen, B. (1983), Phys. Scr. 28, 51.
3. Fawcett, B. C., Ridgeley, A., and Hughes, T. P. (1979), Mon. Not. R. Astron. Soc. 188, 365.
4. Safronova, U. I., and Sidelnikov, Y. V. (1977), Prikl. Spektrosk. 5, 7.
5. Sandlin, G. D., Breuckner, G. E., Scherrer, V. E., and Tousey, R. (1976), Astrophys. J. 205, L47.
6. Vainstein, L. A. and Safronova, U. I. (1978), At. Data Nucl. Data Tables 21, 49.

1. Ermolaev, A. M. and Jones, M. (1974), J. Phys. B 7, 199.
2. Safronova, U. I. (1981), Phys. Scr. 23, 241.
3. Safronova, U. I. and Sidelnikov, Y. V. (1977), Prikl. Spektrosk. 5, 7.

1. Erickson, G. W. (1977), J. Phys. Chem. Ref. Data 6, 831.
2. Mohr, P. J. (1983), At. Data Nucl. Data Tables 29, 453.