kein Titel https://www.uni-heidelberg.de/fakultaeten/chemgeo/geow/forschungsgruppen/keppler/iohwoas.html
Heidelberg University in collaboration with the NGO Helen
Heidelberg University in collaboration with the NGO Helen
Alumni Prof. Dr. Günter Helmchen
Gilbert 1990 Dietrich-Wolber, Stefan 1989 Keller