000 00349nam a2200169Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
082 _a539
100 _aTheraja S.
245 0 _aModern physics
260 _aNew Delhi
260 _bS. Chand And Co.
260 _c1984
365 _b25
650 _aPHYSICS
942 _cDBK
999 _c16162
_d16162