Atomic energy levels as derived from the analyses of optical spectra.

"Issued April 15, 1948."

Selected tables from Atomic energy levels.

Volume I [compiled] by Charlotte E. Moore, reprinted from National Bureau of Standards Circular 467, issued 1949.

Bibliography on atomic energy levels and spectra, July 1968 through June 1971

"CODEN: XNBSAV."

Stark energy levels of symmetric top molecules.

At head of title: NBS Project 8440-11-84141.

Bibliography on atomic energy levels and spectra, July 1971 through June 1975 /

Includes indexes.

Federal energy research : an analysis of fiscal year 1977 program funding levels and alternative budget paths through fiscal year 1986 /

Mode of access: Internet.