000 00342nam a2200145Ia 4500
005 20260205060250.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a540 R189E
100 _aRattan,Sunita
245 0 _aEngineering chemistry
260 _aDelhi
_bS.k.Kataria
_c2003
300 _a530p.
690 _aChemistry
942 _cBK
999 _c165592
_d165592