GUPTA, A.B. Modern physics: atomic physics(V 1) A.B. Gupta - 4th ed. - Calcutta Book Home 1987 - viii,302+30p. ill. ISBN: INR 5.00/ USD 8.00 Subjects--Topical Terms: PHYSICSATOMIC PHYSICS Dewey Class. No.: PHY 539.7 / GAn87