13. Kelman, A. 1954. The relationship of pathogenicity of Pseudomonas solanacearum to colony appearance on a tetrazolium medium. Phytopathology 44; 693-695.
13. Kelman, A. 1954. The relationship of pathogenicity of Pseudomonas solanacearum to colony appearance on a tetrazolium medium. Phytopathology 44; 693-695.