000 00376nam a2200157Ia 4500
008 170519s9999 xx 000 0 und d
041 _aEnglish
082 _a539/SIR
100 _aS. C SIRKAR
245 _aSOME PRINCIPLE OF MODERN PHYSICS
260 _bORIENT LONGMANS
_aKOLKATA
_c1971
300 _c391P
650 _aMODERN PHYSICS
650 _aPHYSICS
942 _cBK
999 _c69794
_d69794