Boumans, P. W. J. M. Theory of spectrochemical excitation [by] P. W. J. M. Boumans. - New York Plenum Press 1966. - xi, 383 p. illus. 26 cm. 921004 Bibliography: p. 347-368. LCCN: 66027686 //r892 Subjects--Topical Terms: Spectrum Analysis LC Class. No.: QD95 / .B68 1966a Dewey Class. No.: 543.085