000 00272nam a2200121Ia 4500
008 230108s9999 xx 000 0 und d
245 0 _aHydrological Aspects of Drought
260 _bUnesco-UMO
260 _c1985
365 _b96.00
650 _aAgronomy
942 _cBK
999 _c237598
_d237598