Illies, Joachim Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;
Illies, J. (1975). A new attempt to estimate production in running waters (Schlitz studies on productivity, No. 12). Verhandlungen der Internationalen Vereinigung für Limnologie, 19, 1705-1711.