000 00287nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a660.2 JAI
100 _aJAIN (P.C) & JAIN (MONIKA)
245 _aEngineering Chemistry
260 _aNew Delhi
_bPHI
365 _cRS
999 _c174308
_d174308