Liberles, Arno. Introduction to molecular-orbital theory. - New York Holt, Rinehart and Winston [1966] - ix, 198 p. illus. 24 cm. Bibliography: p. 191-192. LCCN: 66010300 Subjects--Topical Terms: Molecular orbitals. LC Class. No.: QD461 / .L69 Dewey Class. No.: 541.28