00426nam a2200169Ia 4500001001000000003001000010005001700020008004100037020001500078040000900093082002200102100001400124245003700138264003000175300002800205650002300233000003018MX-MdCICY20260521090223.0240627s9999    xx            000 0 und d  a0582301637  cCICY04a630.2745bT5 19901 aTivy, Joy10aAgricultural ecology /cJoy Tivy31aLondon :bLongman, c1990  a288 p. :bil. ;c23 cm.14aECOLOGIA AGRICOLA.