Dermauw, V., van Hecke, T., Yisehak, K., Du Laing, G., van Ranst, E., Duchateau, L. and Janssens, G. P. (2014) “Copper status of free ranging cattle: what’s hidden behind? A pilot study at the Gilgel Gibe catchment, Ethiopia”, Tropical Grasslands-Forrajes Tropicales, 2(1), pp. 36–37. doi: 10.17138/tgft(2)36-37.