"Map of Czech Dialects". 2003. Katedry českého jazyka a literatury s didaktikou. Archived from the original on 1 December 2012. Retrieved 3 November 2012.
web.archive.org
"Map of Czech Dialects". 2003. Katedry českého jazyka a literatury s didaktikou. Archived from the original on 1 December 2012. Retrieved 3 November 2012.