000 00362nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aDeRidder, N.A., Erez, A.
245 _aOptimum use of water resources
260 _aWageningen
260 _c1977
300 _a250 p.
440 _aNo. 21; Netherlands, Internati
901 _pS29979
942 _cB
_2udc
999 _c128886
_d128886