000 003620000a22001330004500
245 _aNumerical modelling of groundwater basins
100 _aBoonstra, J.
100 _aDe Ridder, N.A.
260 _aNetherlands
_bInternational Institute for Land Reclamation ...
_c1981
440 _apublication: 29
080 _a556.3
_bB6
041 _aEN
942 _cBK
999 _c115958
_d115958