@misc{wolfstein_photosynthesisirradiance_parameters_1998, 
author={Wolfstein, K.,Colijn, F.,Doerffer, R.},
title={Photosynthesis/irradiance parameters of microphytobenthic algae from tidal flats in the German Wadden Sea},
year={1998},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Wolfstein, K.; Colijn, F.; Doerffer, R.: Photosynthesis/irradiance parameters of microphytobenthic algae from tidal flats in the German Wadden Sea. GKSS 98-E-44. 1998.}}