P.R. Swan, Jr., M.W.P. Strandberg.
"March 22, 1956"--Cover. "Reprinted from Journal of molecular spectroscopy, volume 1, no. 4, December, 1957."
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Army Signal Corps Contract DA36-039-sc-64637 Dept. of the Army Task 3-99-06-108 Project 3-99-00-100