00317nam a2200133Ia 4500008004100000020001800041082000800059082001000067100002200077245002200099260001100121260004200132260000900174230118s9999||||xx |||||||||||||| ||und||  a0-07-085643-5  a530  bSCH/Q  aleonard lbschiff 0aquantum mechanics  alondon  bmcgrawhill education private limitted  c1955