TY - BOOK AU - Cartmell, E. AU - Fowels, G.W.A. TI - Valency and molecular structure SN - ‎ 9780408690003 U1 - 541.22 PY - 1956/// CY - London PB - Butterworths Scientific Publications KW - Quantam theory KW - Atomic structure KW - Chemical bonding N1 - Includes bibliographic references and index ER -