'Bondfriendship in the cultural neighborhood. Dyadic ties and their public appreciation in South Omo', in Echi Gabbert and Sophia Thubauville (eds.) To Live with Others: Essays on Cultural Neighborhood in Southern Ethiopia, Köln: Köppe, 2010, pp. 68-98.
'The Kara-Nyangatom War of 2006-07: dynamics of escalating violence in the tribal zone', in Eva-Maria Bruchhaus and Monika Sommer (eds.) Hot Spot Revisited: Trials to Make Sense of Conflict. Münster: Lit, 2008, pp. 192-207.