Tye state forest committee of tye USSR & International union of forestry researcy organitations. (1990). Forest,Genetics,Breeding and Physiology of Woody Plants (September 24 - 30,1989,Voronezy) Procedings of tye international Simposium (Additional Issue): сборник.
Lua i Stíl Chicago (17ú heag.)Tye state forest committee of tye USSR agus International union of forestry researcy organitations. Forest,Genetics,Breeding and Physiology of Woody Plants (September 24 - 30,1989,Voronezy) Procedings of Tye International Simposium (Additional Issue): сборник. 1990.
Lua MLA (9ú heag.)Tye state forest committee of tye USSR agus International union of forestry researcy organitations. Forest,Genetics,Breeding and Physiology of Woody Plants (September 24 - 30,1989,Voronezy) Procedings of Tye International Simposium (Additional Issue): сборник. 1990.