00275nam a2200109Ia 4500008004100000041000800041082002200049100002000071245004800091260001800139300000800157211209s1979    xx            000 0 und d  aeng  a539.7 N79 LIT/THO  aLITTLEFIELD T A  aATOMIC AND NUCLEAR PHYSICS AN INTRODUCTION   bE L B Sc1979  a504