Witzel, Karl-Paul Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;
Witzel, K.-P., & Berman, T. (Eds.). (1999). New vistas in aquatic microbial ecology. A tribute to Jürgen Overbeck on occasion of his 75th birthday. Stuttgart: Schweizerbart.