000 00289nam a2200121Ia 4500
008 211209s1999 xx 000 0 und d
041 _aeng
082 _aAGA
100 _aAGARWAL, O P
245 _aENGINEERING CHEMISTRY
260 _aNEW DELHI
_bKHANNA PUBLICATIONS
_c1999
300 _a974
999 _c34119
_d34119