00867nam0-22003131i-450-99000146951040332120090224142626.0000146951FED01000146951(Aleph)000146951FED0100014695120010214d1969----km-y0itay50------baengUSa---a---001yyPlant pathologyJohn Charles Walker3rd ed.New YorkMcGraw-Hill Book Company1969xi, 819 p.ill.25 cmMcGraw-Hill publications in the agricultural sciencesPatologia vegetaleWalker,John Charles65204ITUNINARICAUNIMARCBK99000146951040332120 IV 1213715DBVDBVPlant pathology378846UNINA