koshev_kocheva.2008

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    Koshev Y., M. Kocheva

    PESHEV Z. 1955. Investigations in systematics and biology ofCitellus citellus L. in Bulgaria. Bulletin de lInstitut

    zoologique de lAcademie des sciences de Bulgarie, 4-5:277-325. (In Bulgarian, English summary).

    RUZI A. 1978. Citellus citellus (Linnaeus, 1766) Der oder dasEuropaische Ziezel. In: NIETHAMMERJ., KRAPP F. (eds.):Handbuch der Sugetiere Europas, Wiesbaden, Akademi-sche Verlagsgesellschft, 123-144.

    STAFANOV V. 2003. Methodology for European ground squirrelmonitoring proposals. In: BOTEVA D. (ed.): Developmentand applying system of ecological monitoring in NationalParks Rila and Central Balkan, 187- 216. (In Bulgarian).Available from: http://www.bulgariannationalparks.org

    STANEV S., M. KUCHUKOVA and M. LINGOVA (eds.) 1991. TheClimate of Bulgaria. Sofia, Publishing House of theBulgarian Academy of Sciences. 500 . (In Bulgarian).

    STRAKA F. 1961. Beitrag zur Biokologie und Bekmpfung desEuropischen Ziesels (Citellus citellus L.) in Bulgarien.

    Bulletin of the Cen tral Scientific-Research Institute ofPlant Protection, 1: 24-63. (In Bulgarian, German sum-mary).

    VCZI O., B. KOSZ and V. ALTBCKER 2006. Modified ambienttemperature reception affects daily activity patterns in theEuropean ground squirrel (Spermophilus citellus). Jour-nal of Mammalogy, 87 (1): 54-59.

    Spermophilus

    citellus L. 1766) (Mammalia: Rodentia)

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