000 00307nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aS. A. Ross & Other
245 _aDesign and Selection of small Wastewater Treatment Systems
260 _bIBT Publishers & Distributors
260 _c1988
300 _a285 P.,
999 _c2052
_d2052