{{Cite book| publisher = Springer| pages = 558–571| editors = Helaine Selin (ed.)| last1 = Beauchemin| first1 = Cris| last2 = Bocquier| first2 = Philippe| title = Encyclopaedia of the History of Science, Technology and Medicine in Non-Western Cultures| chapter = Cities and Towns in West Africa| location = New York| series = Verlag Berlin Heidelberg| date = 2008}}