000 00319nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _a628 2 ESC
100 _aEscritt,L.B.
245 0 _aSewer and sewage works with metric calculations and formular.
260 _aLondon
_b George Allen & Unwin ltd
_c1971
942 _cBKS
999 _c303164
_d303164