000 00290nam a2200121Ia 4500
008 240911s9999 xx 000 0 und d
020 _a9789389121698
041 _aeng
082 _a660.2
_bN93 GKP
245 0 _aChemical engineering
260 _bGK Publications
_aNoida
_c2020
942 _cBK
999 _c30291
_d30291