000 00571nam a2200181Ia 4500
008 140224s9999 xx 000 0 und d
082 _a631.586(252) L9
100 _aHall, A.E., ed.
245 _aAgriculture in semi-arid environments
260 _aNew York
_bSpringer Verlag
_c1979
300 _axiv,340p.
490 _aEcological Studies; Analysis and Synthesis; 34
600 _a A.E.Hall, G.H.Cannell and H.W.Lawton.
600 _aCannell, G.H., joint ed.
600 _aLawton, H.W., joint ed.
650 _aDry farming,Arid regions-agriculture
942 _cBK
999 _c91302
_d91302