KLÁN J. (1990): Lignin test - its mycotoxicological and chemotaxonomical significance. Česká Mykologie 44(4): 220-224 [published: 26th November, 1990]
SEMERDŽIEVA M., NERUD F. (1973): Halluzinogene Pilze in der Tschechoslowakei. Česká Mykologie 27(1): 42-47 [published: 1973]