00254pam a2200097a 44500008004100000041000800041100002500049245003600074260003800110300000800148230405s2019    xxu||||| |||| 00| 0 eng d  aENG  aMathews & Venkatesan  aA Textbook of Quantum Mechanics  aNew DelhibMcGraw Hill Edu.c2019  a466