000 00339nam a2200157Ia 4500
100 _aRay-chaudhuri/ D.P.
490 _v1
942 _cBK
654 _aElectricity and magnetism
245 _aElectricity and magnetism
260 _bChayan
_aCalcutta
_c1961
082 _a530
_bRay
300 _a184
546 _aENGLISH
999 _c35524
_d35524