Marxsen, Jürgen Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;
Fiebig, Douglas Michael Max Planck Society;
https://doi.org/10.1111/j.1574-6941.1993.tb00045.x (Publisher version)
Marxsen, J., & Fiebig, D. M. (1993). Use of perfused cores for evaluating extracellular enzyme activity in stream-bed sediments. FEMS Microbiology Ecology, 13(1), 1-12.