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.
Some thoughts on sampling design
Smith, G.E.J.
Elephant carcasses and skeletons as indicators of population trends
Douglas-Hamilton, I.
Aerial survey method: The experience of Kenya
Taiti, S.W.
Methods of bias correction
Jolly, G.M.
Measuring bias in aerial surveys due to dispersion of animals
Newsome, A.E.
An approach to evaluating techniques for vegetation surveys on arid rangelands
