00366nam a2200157Ia 4500008004100000020000900041035001000050082001700060100001800077245002200095250000800117260004700125300000800172500000600180650002200186210723s9999||||xx |||||||||||||| ||und||  aNULL  a10959  a530.123BKHA  aKhanna, M. P. 0aQuantam Mechanics  a2nd  aN. DelhibHar-Anand Publications Pvt. Ltd.  a345  a0  aQuantum Mechanics