000 00278nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _a540
_bGOY
100 _aGoyal, DN
245 0 _aEngineering practical chemistry
260 _bRainbow Book Co
300 _a64
942 _2ddc
999 _c78138
_d78138