000 00296nam a2200121Ia 4500
008 140317s9999 xx 000 0 und d
082 _a628.168 32
100 _aCedergren,H.R.
245 _aSeepage,drainage and flow nets.
260 _aN.Y.
_bJohn Wiley.
_c1967
300 _a489
942 _2ddc
_cBK
999 _c7713
_d7713