000 00289nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
082 _bDAS
100 _aP.N. dAss
245 0 _aCarrier current engineering
260 _aCalcutta
_bModern book agency
_c1977
300 _a199
942 _2ddc
999 _c22698
_d22698