References
- Denisov N Abramchuk AP Prokopov PE et al. 1939 Weeds. Distribution in crops and seeds in Belarus and methods of control Minsk p 376
- Dershawin LM et al. 1986 Instrukzia po opredeleniju zasorennosti polei, mnogoletnich nasashdenij, kulturnych senokosow i pastbischtsch [in Russian] Moscow: Agropromizdat p 16
- Tulikov AI 1979 Methoditscheskie ukazanija po kartirowaniju sornych rastenij v kolchozach I sowchozach [in Russian] Moscow: Kolos p 12