Marcel Frentzel https://www.uni-giessen.de/en/faculties/research-centers/ggs/about/about-the-ggs-1/office/marcel-frentzel https://www.uni-giessen.de/@@site-logo/logo.png Document Actions Marcel Frentzel Office Co-worker E-mail +49 (0)641 99 21373 » Read more about Marcel Frentzel