Charlemagne's summit canal: an early medieval hydro-engineering project for passing the Central European Watershed.

by Christoph Zielhofer, Eva Leitholdt, Lukas Werther, Andreas Stele, Jens Bussmann, Sven Linzen, Michael Schneider, Cornelius Meyer, Stefanie Berg-Hobohm, Peter Ettel
Published 2014-01-01