Gupta, V P; Tandon, Poonam Essentials of group theory quantum mechanics spectroscopy / Gupta, V P; Tandon, Poonam - Galgotia Booksource Publications, New Delhi, 2004 - p. ; 22 cm. Subjects--Topical Terms: Quantum mechanics; Physics Dewey Class. No.: 530.12 GUP.G-E0