Contribution to the knowledge of Crataego-Prunetea Tüxen 1962 class in Bulgaria
Vassilev, Kiril, Nazarov, Momchil, Velev, Nikolay
A Review of Potentillo Ternatae — Nardion Strictae Alliance
Velev, Nikolay, Apostolova, Iva
The Alliances Arrhenatherion, Cynosurion and Trifolion Medii in Western Bulgaria - Environmental Gradients and Ecological Limitations
Velev, Nikolay, Apostolova, Iva, Rozbrojová, Zuzana, Hájková, Petra
Management Regimes within Syntaxa of Semi-Natural Grasslands in West Bulgaria
Velev, Nikolay, Vassilev, Kiril
Plant biodiversity of Rosa damascena fields from Bulgaria’s Rose Valley
Velev, Nikolay, Apostolova, Iva, Valcheva, Magdalena