M. J. Lehtonen, P. S. Wilson, P. Ahvenniemi, and J. P. Valkonen, “Formation of canker lesions on stems and black scurf on tubers in experimentally inoculated potato plants by isolates of AG2-1, AG3 and AG5 of Rhizoctonia solani: a pilot study and literature review”, AFSci, vol. 18, no. 3-4, pp. 223–233, Jan. 2009.