00530nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067082001400076100002400090245006300114260006000177300001100237650005600248710005600304Para_2436CHAP220125s1987    xx            000 0 und d  a200970  cCHAP  aPA 632 B4  aBeckman, C        H  aThe nature of wilt diseases of plants  /c by C.H. Beckman  aSt. Paul, Minn.  :b American Phytopathological Society  a175 p.  aFitopatología  Plantas x Enfermedades por hongos  aAmerican Phytophatological Society. St. Paul, Minn.