00428nam a2200181Ia 4500001000700000003000400007008004500011010001100056041001400067100002200081700001700103245004700120260003100167300001100198650001600209650001300225082000800238006199LIB220712b1992        py ||||| |||| 00| 0 spa d  a006199  aEspañol  aBrack, Willibaldo  aWeik, Jorg H  aExperiencias agroforestales en el Paraguay  bM.A.G,aAsunción :c1992  a294 p.  aAGRICULTURA  aPARAGUAY  a630