000 00250nam a2200097Ia 4500
008 220201s1990 xx 000 0 eng d
100 _aJAIN (PC) & JAIN (MONIKA)
245 0 _aENGINEERING CHEMISTRY
260 _bDHANPAT RAI & SON
_c1990
942 _2ddc
999 _c100313
_d100313