Tzonev, Rossen, epartment of Ecology and Environmental Protection, Sofia University „St. Kliment Ohridsky”, Faculty of Biology, 8 Dragan Tsankov Blvd., Sofia 1164, Bulgaria, Bulgaria

• Hacquetia Vol. 9 No. 2 (2010): Hacquetia - Articles
  Bromo moesiacae-Stipetum epilosae – a new association from the relict mountain steppe vegetation in South-Western Bulgaria
  Abstract  PDF (Slovenščina)