00280nam a2200133Ia 4500020001800000082001200018100003500030245003400065250000600099260001800105300000800123500000900131650000600140  a0-07-096510-2  a530.123  aMathews, R.m. / Venkatesan, K. 0aTextbook of Quantum Mechanics  a-  aDelhibT.M.H.  a387  a5541  a-