000 00303nam a2200133Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a530
_bDAS
100 _aDas, AK
245 0 _aAdvanced promblems in physics
250 _a1
260 _bCalcutta Book House
_c1990
300 _a504
942 _2ddc
999 _c84619
_d84619