000 00284nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a540
100 _aGoyal R N
245 0 _aTextbook of Engineering Chemistry
250 _a2
260 _bAne Books, New Delhi
_c2011
942 _cBK
999 _c24263
_d24263