000 00277nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aHALL (AE)
245 0 _aAgriculture in semi arid environments
260 _cSpringer Verlag
365 _b0
650 _aNIL
942 _cBK
999 _c88994
_d88994