00310nam a2200133Ia 4500020001800000082001700018100001900035245003600054250001200090260002300102300000900125650002300134700001900157  a9780070146174  a530.12 MAT/T  aMathews, P. M  2aA Textbook of Quantum Mechanics  a2ND ED.  b Mcgraw-Hillc2019  a467p  aQuantum Chemistry   aVenkatesan, K