Hristovski, S. .; Melovski, L.; Šušlevska, M.; Grupče, L. 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. MJEE 2008, 11, 3-10.