00242nam a22001097a 4500003000400000020002200004082001600026100001700042245003700059260002800096300000800124SGT  a978-0-306-44790-7  a530.12bSHA  aSHANKAR, R.   aPRINCIPLES OF QUANTUM MECHANICS   aINDIA bSPRINGER c2014  a676