000 00294nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a540
100 _aJain P C
245 0 _aEngineering chemistry
250 _a14
260 _bDhanpat Rai Publications Pvt Ltd, New Delhi
_c2003
942 _cBK
999 _c2880
_d2880