Aetas ClaudianeaWidu-Wolfgang Ehlers, Fritz Felgentreu, Stephen Wheeler, Lucio Ceccarelli, Manfred Fuhrmann · First published 2021Open the Tome
Earth Resources and Environmental Remote Sensing/GIS Applications VIIUlrich Michel, Karsten Schulz, Manfred Ehlers, Konstantinos G. Nikolakopoulos, Daniel Civco · First published 2017Open the Tome
GeoinformatikBernd Cyffka, Manfred Ehlers, Jochen Schiewe, J. Schmude · First published 2012Open the Tome
Remote Sensing for Environmental Monitoring, GIS Applications, and Geology VIIManfred Ehlers, Ulrich Michel · First published 2008Open the Tome
Remote Sensing for Environmental Monitoring, GIS Applications, and Geology VIIIUlrich Michel, Daniel Civco, Manfred Ehlers, Hermann Kaufmann · First published 2008Open the Tome
