Hristovski, S. , Melovski, L., Šušlevska, M. and Grupče, L. 2008. Belowoground phytomass and poroduction in the beech ecosystem Calamintho grandiflorae-Fagetum in Mavrovo National Park. II. Belowground phytomass of coarse roots of trees and shrubs. Macedonian Journal of Ecology and Environment. 11, 1-2 (Dec. 2008), 3–10.