Livestock production in central Mali: Weight at first conception and ages at first and second parturitions in traditionally managed goats and sheep
Wilson, R.T.
Etude physique des systemes de production animale du Gourma malien (phase exploratoire)
Marie, J.
Cattle breed evaluation studies by the International Livestock Center for Africa (ILCA)
Trail, J.C.M.
Ecology and ecosystems of the Borana deep wells area
Bille, Jean-Claude
Comparaison des echantillonnages aleatoires et stratifies pour la mesure de la biomasse sur pied d'un parcours herbeux a Oryza longistaminata des plaines d'inondation du Niger
Hiernaux, Pierre H.Y.
Unstratified systematic sampling: Rationale and method
Norton-Griffiths, M.
Some thoughts on sampling design
Smith, G.E.J.
Elephant carcasses and skeletons as indicators of population trends
