000 00291nam a2200109Ia 4500
008 221129s1969 xx 000 0 und d
041 _aeng
082 _a530
100 _aBeiser, A.
_91208608
245 _aPerspectives of Modern Physics
260 _aN. Delhi
_bMcgraw- Hill Book Company
_c1969
999 _c778864
_d778864