TY - BOOK AU - Moore, C. E. TI - Atomic energy levels as derived from the analysis of optical spectra: the spectra of Chromium, Manganese, Iron, Cobalt, Nickel, Copper, Zinc, Gallium, Germanium, Arsenic, Selenium, Bromine, Krypton, Rubidium, Strontium, Yttrium, Zirconium and Niobium T2 - Circular of the national bureau of standards; 467 PY - 1952/// CY - Washington PB - U. S. Department of Commerce KW - Atomic energy levels KW - NASA thesaurus KW - Tables - atomic energy ER -