000 00354nam a2200157Ia 4500
008 220901s9999 xx 000 0 und d
041 _a  ENGLISH
082 _a660
082 _bPRA
100 _aPRACTICAL PAPER CHEM
245 0 _aGATE chemical engineering
260 _bG.K. PUBLISHERS
260 _c2002
650 _a  GATE
942 _cTB
999 _c131572
_d131572