000 00302nam a2200121Ia 4500
008 220821s2002 xx 000 0 eng d
100 _aJAIN, DR. SUDHA & SINHA, DR. SHRADHA
245 0 _aPRACTICAL ENGINEERING CHEMISTRY
250 _a1ST
260 _bS.CHAND
_c2002
300 _a162
942 _2ddc
_cBTECH
999 _c163
_d163