000 00267nam a2200121Ia 4500
008 211209s9999 xx 000 0 und d
020 _a9789351340263
041 _aeng
082 _a628 PEA
100 _aPEAVY
245 _aENVIRONMENTAL ENGINEERING
260 _bMGH
999 _c77942
_d77942