000 00242nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aSB110 .A367 1979
100 _aHALL A.E.
245 0 _aAGRICULTURE IN SEMI-ARID ENVIRONMENTS
942 _cBK
999 _c201677
_d201677