Africa / Yager Thomas R., Bermudez-Lugo Omayra, Mobbs Philip M. [et al.]. Algeria / Taib Mowafa. Burmundi / Yager Thomas R. Chad / Mobbs Philip M. Ethiopia / Yager Thomas R. Guinea / Bermudez-Lugo Omayra. Keya / Yager Thomas R. Morocco and Western Sahara / Newman Harold R. South Africa / Yager Thomas R. [et al.].