Delre Giuseppe Electronic states of molecules and atom clusters: Foundations and prospects of semiempiricel methods Delre Giuseppe; Berthier Gaston; Serre Jasiane - Berlin Springer-Verlag 1980 - viii, 177p. cm. - Lecture notes in chemistry; 13 . Standard No.: 40387 Source: Textual Subjects--Topical Terms: Molecular chemistry Dewey Class. No.: E:218, M0