TY - BOOK AU - Cartmell, E AU - Fowles, G. W. A. TI - Valency and molecular structure SN - 0408709227 AV - QD461 .C3 1977 PY - 1977/// CY - London PB - Butterworth and Co Ltd KW - Molecular structure KW - Chemistry N1 - Includes bibliographical references and index ER -