000 00259nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.3
100 _aK.A.YUGANDHAR
245 0 _aFIELD THEORY
260 _bKHANNA
365 _b160.00
942 _cBTECH
999 _c136731
_d136731