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008 180712s9999 xx 000 0 und d
020 _a9251037795
082 _a631.587
_bFOO
_223
110 _9109246
_aFood and agriculture organization
245 _aDrainage of irrigated lands
260 _aRome
_bFAO
_c1996
300 _aviii, 74 p.-
440 _aIrrigation water management training manual No.9
509 _aNS
650 _aIrrigation
942 _cS