000 00251nam a2200109Ia 4500
008 211126s9999 xx 000 0 und d
082 _a620.11
100 _aK.S.VAS
245 0 _aCHEMISTRY OF ENGINEERING MATERIALS
260 _bTARA
942 _cBTECH
999 _c163812
_d163812