International Geological Correlation Programme. Project 73124 Quaternary glaciations in the Northern hemisphere. International Union for Quaternary Research.
Cita Chicago Style (17a ed.)International Geological Correlation Programme. Project 73124 Quaternary Glaciations in the Northern Hemisphere. Prague - CHEC: International Union for Quaternary Research.
Cita MLA (8a ed.)International Geological Correlation Programme. Project 73124 Quaternary Glaciations in the Northern Hemisphere. International Union for Quaternary Research.
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