Sen, B.K .- Quantum Chemistry : Including Molecular Spectroscopy / B K Sen. - New Delhi : Tata McGraw-Hill publishers , c1992. - viii,244p.; ill.graph, table, calculations 22cm. includes bibliographical references and indexes ISBN: 0074603779 Subjects--Topical Terms: --Quantum chemistry--Molecular spectroscopy Dewey Class. No.: 541.28 SEN