Tree rings, environment, and humanity : proceedings of the international conference, Tucson, Arizona, 17-21 May 1994

1996
Umfang/Format: xiii, 889 pages : illustrations, maps ; 26 cm.

Aridity, change and conflict in Africa : proceedings of an international ACACIA conference held at Königswinter, Germany, October 1-3, 2003

Colloquium Africanum ; 2
Köln : Heinrich-Barth-Institut, 2007.
Umfang/Format: 469 p. : ill. (some col.), maps ; 23 cm.