TY - GEN AU - Mageswaran , R. AU - Frenando , J.N.O AU - Kularatne, K.W.S. AU - Munasiri, B. TI - Physical chemistry and theoretical chemistry part I: quantum mechanics U1 - 541.28 PY - 1987/// CY - Nugegoda PB - Open University KW - CHEMISTRY KW - PHYSICAL CHEMISTRY ER -