000 00266nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aJAIN (PC) & JAIN (MONIKA)
245 0 _aENGINEERING CHEMISTRY
250 _a9TH
260 _bDHANPAT RAI NEW DELHI
942 _2ddc
999 _c95194
_d95194