000 00345nam a2200145Ia 4500
008 221221s9999 xx 000 0 und d
041 _aENG
082 _a540.621
_bAHA/E
100 _aAhad, Juhaina
245 0 _aEngineering Chemistry
250 _a2
260 _aNew Delhi
_bDhanpat Rai & Company
_c1999
650 _aChemistry
942 _cBK
999 _c11191
_d11191