Lehtonen, M. J., 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”. Agricultural and Food Science, vol. 18, no. 3-4, Jan. 2009, pp. 223-3, doi:10.2137/145960609790059415.