Dymaczewo near Poznań. International Symposium
"Late prehistory of the Nile Basin and the Sahara", September, 11-15th, 1984.
Proceedings of the Symposium.
In the first row, from the left: Prof. Jan Żak
(Institute of Prehistory, Adam Mickiewicz University in Poznań),
Prof. Jerzy Topolski (Institute of History, Adam Mickiewicz University in Poznań),
Prof. Fred Wendorf (Southern Methodist University, Dallas, Texas, USA),
Lech Krzyżaniak, Ph.D.