Research into this is still ongoing: https://www.pik-potsdam.de/research/projects/activities/copan/copan-introduction https://www.pik-potsdam.de/research/projec

Research into this is still ongoing: https://www.pik-potsdam.de/research/projects/activities/copan/copan-introduction https://www.pik-potsdam.de/research/projects/activities/copa...