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Zlatkovskaia, T. D. (1968). "On the Origin of Certain Elements of the Kuker Ritual among the Bulgarians". Soviet Anthropology and Archeology. 7 (2): 33–46. doi:10.2753/AAE1061-1959070233. ISSN0038-528X.
Kernbach, Victor[in Romanian] (1989). Dicţionar de Mitologie Generală [Dictionary of General Mythology] (in Romanian). Bucharest: Editura Ştiinţifică şi Enciclopedică. ISBN973-29-0030-X.
worldcat.org
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Zlatkovskaia, T. D. (1968). "On the Origin of Certain Elements of the Kuker Ritual among the Bulgarians". Soviet Anthropology and Archeology. 7 (2): 33–46. doi:10.2753/AAE1061-1959070233. ISSN0038-528X.