Bird
Bird numbers [elektronický zdroj]. -- Rondebosch, South Africa : Avian Demography Unit (ADU), Dept. of Statistical Sciences, University of Cape Town. -- Description based on: Vol. 7, no. 2 (Aug. 1998); title from the issue table of contents (UCT site, viewed Apr. 15, 2008).. -- Latest issue consulted: Vol. 13, no. 2 (Dec. 2004) (viewed Apr. 15, 2008).
University of Cape Town. Avian Demography Unit
Life Sciences - Ornithology. Bird populations - South Africa - Periodicals