000 00458nam a2200145Ia 45e0
008 180110s1981 xx 000 0 und d
020 _a9070260697
082 _a553.79
100 _aBoonstra, J
245 0 _aNumerical Modelling of Groundwater Basins
260 _aNetherlands
_bInternational Institute of Land Reclamat
_c1981
300 _ax, 226p; 2
942 _2ddc
_cBK
999 _c2585
_d2585