000 00297nam a2200121Ia 4500
008 211209s1990 xx 000 0 und d
041 _aeng
082 _a540 N90 JAI/JAI
100 _aJAIN, P C
245 _aENGINEERING CHEMISTRY
260 _aNEW DELHI
_bDHANPAT RAI & SONS
_c1990
300 _a848
999 _c10718
_d10718