00498nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067100002000076245009500096260005200191300001700243440004500260650003500305Para_4167CHAP220125s1933    xx            000 0 und d  a202584  cCHAP  aBliss, Donald E  aThe pathogenicity and seasonal development of gymnosporangium in Iowa  /c Donald E. Bliss  aAmes, Iowa  :b Agricultural Experiment Station  ap.p. 341-392  aIowa. Agr. Exp. Sta. Research. Bull; 166  aGymnosporangium  Ustilaginales