Liberles, Arno. Introduction to molecular-orbital theory / Arno Liberles. - New York : Holt, Rinehart and Winston, c1966. - ix, 198 p. : illus. ; 24 cm. Includes Bibliographical reference and index. Subjects--Topical Terms: Molecular orbitals. Dewey Class. No.: 541.28 / LII 1966