00287nam a2200121Ia 4500008004100000082000800041082001000049100002200059245002200081260001100103260004200114260000900156230118s9999||||xx |||||||||||||| ||und||  a530  bSCH/Q  aleonard lbschiff 0aquantum mechanics  alondon  bmcgrawhill education private limitted  c1955