01038nam0-22003491i-450 99000183315040332120210322113920.02-87911-122-6000183315FED01000183315(Aleph)000183315FED0100018331520021010d1999----km-y0itay50------bafreFRa 001yyMaladies a virus des arbres fruitiers(maladies a viroides, a virus, a phytoplasmas et autres agents infectieuxnon determines)Jean Claude Desvignes.ParisCTIFL1999202 p.ill.24 cmVirologia vegetaleAlberi da frutto581.2634.049itaDesvignes,Jean Claude76027ITUNINARICAUNIMARCBK99000183315040332160 634.049 DESJ 19997630FAGBCFAGBCMaladies à virus des arbres fruitiers365406UNINAING01