00342nam a2200121Ia 4500008004100000082001900041100002100060245002100081250000900102260003200111490005300143650002400196220204s9999    xx            000 0 und d  a630:581.2bBOY  aBOYCE, John Shaw 0aForest pathology  aEd.2  aNew YorkbMcGraw Hillc1948  aThe American forestry series. Ed by Henry J Vaux  aForest tree disease