1
Published: 1976
Superior document: Project 73-1-24 "Quaternary Glaciations in the Northern Hemisphere" report no. 4 on the session in Stuttgart, Federal Republic of Germany, September 1976
2
Published: 1976
Superior document: Project 73/1/24 "Quaternary glaciations in the Northern Hemisphere" report no. 6 on the session in Ostrava, Czechoslovakia, August, 16-25, 1979
3
Published: 1975
Superior document: Quaternary glaciations in the northern hemisphere 2