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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Tye state forest committee of tye USSR και 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.
Παραπομπή σε μορφή MLA (9th εκδ.)Tye state forest committee of tye USSR και 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.