TY - BOOK AU - Gallup, Gordon A TI - Valence bond methods : theory and applications SN - 9780521021272 SN - 200627003 U1 - 541.224 GAL PY - 2005/// CY - Cambridge PB - Cambridge University Press KW - Valence (Theoretical chemistry) N1 - Originally published in 2002. Includes bibliographical references (p. 231-233) and index ER -