African mountains and highlands : problems and perspectives /
Messerli, Bruno.
Hurni, Hans.
Bekure W. Semait.
African Mountains Association.
African Mountains Workshop.
[S.l.] : African Mountains Association,
1990.
Proceedings of the First African Mountains Workshop, held at Addis Ababa University, Oct. 18-26, 1986.
Includes bibliographical references and indexes.
Mountains