00633cam a2200241 4500 MAIN QD461 COU Coulson, C.A. Valence / C.A. Coulson. Oxford : Clarendon Press, 1952 338 p. : ill. ; 22 cm. Includes index. Includes bibliographical references. Molecules. Chemical bonds. Valence .b10175714 13-03-07 16-09-05 20230123134111.0 NUST BOOKS QD461 COU 160032 160032 2023-01-23 00:00:00 0 QD461 COU 92003000500 80.00 2023-01-23 BOOKS 0 LCC 0 0 NFIC 0 MAIN MAIN GEN 2023-01-23 80.00