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999 _c77240
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008 180710s9999 xx 000 0 und d
041 _aEN
082 _a333.91
_bRIV
_223
245 _aRiver basin management
260 _aOxford
_bPergamon press
_c0
300 _a354 p.
509 _aNS
650 _aWater resources management
650 4 _aWatershed management
_918239
650 4 _aWater-supply
_918242
942 _cS