1. Extracellular polysaccharide of Erwinia amylovora: A correlation with virulence;Ayers;Applied and Environmental Microbiology,1979
2. Xylanase from Trichoderma pseudokoningii: purification, characterization, and effects on isolated plant cell walls;Baker;Phytopathology,1977
3. Anatomy of resistance;Beckman,1981
4. Infectivity titrations with Corynebacterium michiganense in tomato seedlings. II. Differences in susceptibility between tomato cultivars;Boelema;Phytophylactica,1977
5. Resistance to Pseudomonas solanacearum in potato: infectivity titrations in relation to multiplication and spread of the pathogen;Bowman;American Potato Journal,1982