000 00323nam a2200109Ia 45e0
008 181001s1977 xx 000 0 und d
100 _aHammer Mark J.
245 0 _aWater & wast water Technology
260 _aNewyork
_bJohn Wiley
_c1977
300 _a504
942 _2ddc
_cBK
999 _c3358
_d3358