@incollection{fdi:42233, title = {{L}'{A}frique orientale : 21. {A}frique orientale et m{\'e}ridienne}, author = {{R}aison, {J}.{P}.}, editor = {}, language = {{FRE}}, abstract = {}, keywords = {{GEOGRAPHIE} {PHYSIQUE} ; {MILIEU} {NATUREL} ; {HISTOIRE} {DU} {PEUPLEMENT} ; {ECONOMIE} ; {ETUDE} {REGIONALE} ; {AFRIQUE} {DE} {L}'{EST} ; {NIL} {VALLEE}}, booktitle = {{G}{\'e}ographie universelle : {L}es {A}friques au {S}ud du {S}ahara}, numero = {}, pages = {262--271}, address = {{P}aris ({FRA}) ; {M}ontpellier}, publisher = {{B}elin ; {R}eclus}, series = {{G}{\'e}ographie {U}niverselle}, year = {1994}, ISBN = {2-7011-1669-4}, URL = {https://www.documentation.ird.fr/hor/fdi:42233}, }