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The Birom Region of Nigeria - An Urgent task for Investigations On Religion, Rituals and Beliefs. - Viena-AU : Committee's Secretariat c/o Institut fr Völkerkunde, Universit„tsstraáe, 1978. - p. 53-59 - Anual - No. 20 (1978) - Bulletin of the International Committee on Urgent Anthropological and Ethnological Research ; no. 20 . - Austria. International Committee on Urgent Anthropological and Ethnological Research. .


Art¡culo en inglés.