000 00475nam a2200133Ia 45e0
008 140109n ne |||gr||||Z||||||eng
082 _a627
100 _aRidder, N. A. De,
_eAuthor .,
245 0 _aOptimum Use of Water Resources
_cN. A. De Ridder
_hTextual Documents
260 _aNetherlands :
_bILRI,
_c1977.
300 _a250.
653 _aHydraulic engineering
942 _2ddc
_cTXT
999 _c35757
_d35757