Djorgova, Nadejda; Ragyov, Dimitar; Biserkov, Valko; Naumov, Borislav; Nikolov, Boris P.
Breeding habitat characteristics of golden eagle Aquila chrysaetos (Linnaeus, 1758), long-legged buzzard Buteo rufinus (Cretzschmar, 1829) and peregrine falcon Falco peregrinus Tunstall, 1771 in the Balkan Mountain Range, Bulgaria
Прима-Софт ООД, 2021