Razowski, J. & J. Wojtusiak, 2008, Genus19 (3): 497-575. "Archived copy"(PDF). Archived from the original(PDF) on 2013-10-15. Retrieved 2013-10-15.{{cite web}}: CS1 maint: archived copy as title (link)
web.archive.org
Razowski, J. & J. Wojtusiak, 2008, Genus19 (3): 497-575. "Archived copy"(PDF). Archived from the original(PDF) on 2013-10-15. Retrieved 2013-10-15.{{cite web}}: CS1 maint: archived copy as title (link)
