000 00282nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aSankaranarayan S R
245 0 _aModern Physics
260 _bSulthan Chand&Sons
_c1981
300 _a1446 p
650 _aPhysics
942 _cBK
999 _c33020
_d33020