Citation
Atkinson, P.W., Adams, W.M., Brouwer, J., Buchanan, G., Cheke, R.A., Cresswell, W., Hewson, C.M., Hulme, M.F., Manvell, A., Sheehan, D.K., Small, R.D.S., Sutherland, W.J. & Vickery, J.A. 2014. Defining the key wintering habitats in the Sahel for declining African-Eurasian migrants using expert assessment. Bird Conservation International 24: 491. doi:10.1017/S0959270913000531