00397nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067082001700076100002300093245004900116260003700165300001200202650002500214Para_1805CHAP220125s1990    xx            000 0 und d  a200456  cCHAP  aPA 631.46 D5  aDiudall, Daniel L.  aSoil biology guide  /c by Daniel L. Diudall  aNew York  :b Johm Wiley and som  a1349 p.  aSuelos x biología