Keil, J. Energy and System Studies, Max Planck Institute for Plasma Physics, Max Planck Society; Office of the Director (DI), Max Planck Institute for Plasma Physics, Max Planck Society;
Keil, J. (2006). Entwicklung eines GIS-gestützten Monitoringinstruments zur Überprüfung der nachhaltigen Entwicklung = Design of a GIS based monitoring instrument to screen sustainable development. Diploma Thesis, Universität Augsburg, Augsburg.