000 00504nam a2200217Ia 4500
008 150909s9999 xx 000 0 und d
041 _aEnglish
082 _a630
082 _bHAL/AG
100 _aHall A E
100 _eEditor
245 _aAgriculture in semi - arid environments
260 _aNew York
260 _bSpringer Verlag
260 _c1979
300 _a340 Pages
365 _aRs .89.00
440 _aEcological study
650 _aFood crops
942 _cBK
999 _c229540
_d229540