00528nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082001500076245009600091260003400187300001100221440002700232650004500259650002200304700002000326Para_7558CHAP220125s1970 xx 000 0 und d a205914 cCHAP aPA 632 E75 aEpidemic of plant diseases :b mathematical analisys and modeling /c ed. by Jurgen Kranz aNew York :b Springer-Verlag a170 p. aEcologial studies ; 13 aEpidemiología x modelos matemáticos aFitopatología aKranz, Jürgen