Lisitsata (Vulpes vulpes crucigera Bechstein) v Bulgariia
Series: Trudove na Zoologicheskiia Institut -- no. 5
Publisher: Bulgarska Akademiia na Naukite
Published: 1958
Place of publication: Sofiia
Language: bul
Number of pages: 324
Notes: Summary in German, p. 292-307.