000 00304nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aBredera (TH J)
245 0 _aConcepts and guideliness for crop water management resourse
260 _bOxford IBH
260 _c1991
365 _b195
942 _cBK
999 _c216138
_d216138