000 00405nam a2200193Ia 4500
008 221105s9999 xx 000 0 und d
020 _a
041 _aENGLISH
082 _a539
082 _bSAN
100 _aSANKARA NARAYANA S R
245 0 _aMODERN PHYSICS
250 _a2
260 _bS CHAND AND COMPANY LIMITED
260 _c1990
650 _aPHYSICS
650 _bPHYSICS
942 _cBK
999 _c1199
_d1199