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Proceedings of the National Academy of Sciences of the United States of America|February 1, 1983
At what wavelengths should we search for signals from extraterrestrial intelligence?C H Townes
Science (New York, N.Y.)|August 14, 1970
A Search for the 110 larr 111 Transition of Interstellar ThioformaldehydeN J Evans, C H Townes, H F Weaver, et al.
Applied Optics|December 1, 1984
Optical path length fluctuations in the atmosphereG N Gibson, J Heyman, J Lugten, et al.
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