TY - BOOK AU - Narayan, A L TI - Absorption spectra and their bearing on the structure of atoms and molecules U1 - 539.12 PY - 1925/// CY - Madras PB - University of Madras KW - Atoms KW - Spectrum analysis N1 - Being the Sir Subrahmanya Aiyar lecture delivered in Madras on the 11th December ER -