1. Kombinovaná metoda na určování vegetačního stupně a ekologických řad;Z. Ambros;Lesnictví - Forestry,1993
2. Development of ecological land classification and mapping in support of forest management;D. Bajzak;Environmental Monitoring and Assessment,1996
3. Synergistic techniques for better understanding and classifying the environmental structure of landscapes;A. Bryan;Environmental Management,2006