000 00321nam a2200121Ia 4500
008 130706s9999 xx 000 0 und d
020 _a0139501061
050 0 0 _aTD 345 H 25 1986
100 1 _aHammer, Mark J
245 1 0 _aWater and wastewater technology /
_cMark J Hammer
300 _ap.
942 _2lcc
_kTD 345 H 25 1986
999 _c12098
_d12098