TY - BOOK AU - Cartmell, E TI - Valency And Molecular Structure 4th Edn U1 - 541.22 PY - 1900/// CY - Kottayam PB - NATIONAL BOOKSTALL KW - GENERAL STACK KW - NATURAL SCIENCE & MATHEMATICS KW - CHEMISTRY & ALLIED SCIENCE KW - PHYSICAL CHEMISTRYChemistry ER -