Imaging of plankton specimens with the lightframe on-sight keyspecies investigation (LOKI) systemJan Schulz, Kristina Barz, Patricia Ayon, Andree Lüdtke, Oliver Zielinski, Dirk Mengedoht and Hans-Jürgen HircheJ. Eur. Opt. Soc.-Rapid Publ., 5 (2010) 10017sDOI: https://doi.org/10.2971/jeos.2010.10017s