Tzonev, Rossen, Department of Ecology and Environmental Protection, Faculty of Biology, Sofia University “St. Kliment Ohridski”, 8 Dragan Tzankov Blvd., Sofia 1164, Bulgaria, Bulgaria

• Hacquetia Vol. 17 No. 2 (2018) - Articles
  Classificaton of the relict forest communites of Palla’s Black Pine (Pinus nigra subsp. pallasiana) in Bulgaria
  Abstract  PDF