Dymaczewo near Poznań. International Symposium
"Origin and Early Development
of Food-producing Cultures in
North-Eastern Africa", September 9th-13th, 1980.
Opening ceremony.
Participants of the Symposium.
From the right: Michał Kobusiewicz, Ph.D.,
(Institute of Archaeology
and Ethnology, Polish Academy of Sciences - Poznań Branch),
Lech Krzyżaniak, Ph.D.