Gallup, Gordon A. 1927- Valence bond methods : theory and applications / Gordon A. Gallup. - Cambridge ; New York : Cambridge University Press, 2002. - xv, 238 p. : ill. ; 26 cm. Includes bibliographical references (p. 231-233) and index. ISBN: 0521803926 Subjects--Topical Terms: Valence (Theoretical chemistry) LC Class. No.: QD469 / .G35 2002