TY - BOOK AU - Martin,William Clyde AU - Zalubas,Romuald AU - Hagan,Lucy TI - Atomic energy levels--the rare-earth elements: the spectra of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium AV - QC100QC462.R2 .U573 no. 60 U1 - 602/.1 s539.7/2 PY - 1978/// CY - [Washington] PB - U.S. Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off. KW - Earths, Rare KW - Spectra KW - Tables KW - Atomic spectroscopy KW - Energy levels (Quantum mechanics) N1 - "National Standard Reference Data System."; Includes bibliographies ER -