TY - BOOK AU - Johnson, Raynor Carey. TI - Atomic spectra T2 - Methuen's monographs on physical subjects U1 - 543.5 23 PY - 1946///] CY - London PB - Methuen & Co. ltd. KW - Spectrum analysis KW - Atoms N1 - "First published in 1946."; Includes bibliographical references p. (117) and index ER -