Contribution to the knowledge of Crataego-Prunetea Tüxen 1962 class in Bulgaria
Vassilev, Kiril, Nazarov, Momchil, Velev, Nikolay
Wide habitat preference found in a rare, regional endemic species: Iris brandzae Prodán (Iridaceae Juss., subgenus Limniris, series Spuriae) in Romania
Chirilă, Simona Dumitrița, Vassilev, Kiril, Bădărău, Alexandru Sabin
Forest vegetation diversity of the Slivenska Mountain (Eastern Stara planina, Bulgaria)
Alexandrova, Alexandra, Dimitrov, Marius, Vassilev, Kiril, Sopotlieva, Desislava, Pedashenko, Hristo, Tashev, Alexander
Management Regimes within Syntaxa of Semi-Natural Grasslands in West Bulgaria
Velev, Nikolay, Vassilev, Kiril