Kohl, J., Van Tongeren, C. A. M., Groenenboom-de Haas, B. H., Van Hoof, R. A., Driessen, R., & Van der Heijden, L. Epidemiology of dark leaf spot caused by alternaria brassicicola and a. Brassicae in organic seed production of cauliflower.

Kohl, J., C. A. M. Van Tongeren, B. H. Groenenboom-de Haas, R. A. Van Hoof, R. Driessen, and L. Van der Heijden. Epidemiology of Dark Leaf Spot Caused By Alternaria Brassicicola and A. Brassicae in Organic Seed Production of Cauliflower.

Kohl, J., et al. Epidemiology of Dark Leaf Spot Caused By Alternaria Brassicicola and A. Brassicae in Organic Seed Production of Cauliflower.