000 00293nam a2200121Ia 4500
008 170101s2010 xx 000 0 und d
082 _a631.7 COV
100 _aCovington G.
245 0 _aWater Managrmrnt
260 _aOakville
_bApple Academics
_c2010
300 _aP.304
942 _2ddc
_cB
999 _c1564216
_d1564216