Since bibliographic search is quite fundamental to a data compilation, the
authors appreciate the cooperation of the many spectroscopists who voluntarily
provided reprints and preprints of their work. Dr. Barbara Starck was
especially helpful in providing bibliographic and spectral information. The
previous efforts of Dr. William H. Kirchhoff in working out the software for
the format of the computer data handling considerably eased the data handling
task. The authors gratefully acknowledge the assistance of Mrs. Gloria Rotter
in the library search, data transcription, and key-punching aspects of the
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P.G. Favero, A. Guarnieri, and A.M. Mirri, "Microwave Gas Spectroscopy
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Nazional Delle Ricerche, Laboratori di Spektroscopia a Radio-frequenza,
Instituto Chimico "G. Ciamician," Universita di Bologna, Italy.
J.L. Dunham, Phys. Rev. 41, 721 (1932).
C.H. Townes and A.L. Schawlow, Microwave Spectroscopy
(McGraw-Hill, New York, 1955).
W. Gordy and R.L. Cook, Microwave Molecular Spectra (John Wiley &
Sons, New York, 1970).
G. Herzberg, Molecular Spectra and Molecular Structure, I. Spectra of
Diatomic Molecules (D. Van Nostrand, Princeton, NJ, 1950).
N.F. Ramsey, Molecular Beams (Oxford University Press, London, 1956).
H.A. Kramers, Z. Phys. 53, 422 (1929); see also, R. Schlapp, Phys.
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R. Tischer, Z. Naturforsch. 22a, 1711 (1967).
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