00301nam a2200133Ia 4500008004100000020001800041082000800059082001000067100001900077245002000096260001400116260002800130260000900158230118s9999||||xx |||||||||||||| ||und||  a81-85015-89-9  a539  bKAP/N  airvingbkaplan 0anuclear physics  anew delhi  bnarosa publishing house  c1962