On becoming Sudanese, 1988. ,
Arab Belt versus African Belt. Ethno-political Conflict in Dar Fur and the Regional Cultural factors " , in Shortcut to Decay. The Case of Sudan, 1994. ,
Ecological Imbalance in the Republic of Sudan, with Reference to Desertification in Darfur, Bayreuther Gewissenschaftliche Arbeiten, 1984. ,
Mahdist Faith and Sudanic Tradition : the History of the Masalit Sultanate, 1930. ,
L'analyse g??ographique d'une guerre civile en milieu sah??lien, Afrique contemporaine, vol.214, issue.2, pp.129-164, 2005. ,
DOI : 10.3917/afco.214.0129
State and Society in Darfur, 1980. ,
Divided They Fall, The Fragmentation of Darfur's Rebel Groups, Small Arms Survey, 2007. ,
« Le Darfour, un conflit pour la terre ? », Politique africaine, n°101, pp.11-131, 2006. ,
DOI : 10.3917/polaf.101.0111
URL : http://www.cairn.info/load_pdf.php?ID_ARTICLE=POLAF_101_0111
« Carnets de route au Dar For (Soudan) 1965-1970 », Sépia, p.223, 2006. ,
The Zaghawa from an Ecological Perspective, 1977. ,
Famine that Kills: Darfur, 2005. ,