TY - BOOK AU - Gupta, S. L. AU - Kumar, V. AU - Sharma, R. C. TI - Elements of spectroscopy: atomic spectra, x-ray spectra, molecular binding and molecular spectra U1 - 535.84 PY - 1980/// CY - Meerut PB - Pragati prakashan KW - Physics N1 - Includes index ER -