@misc{hakvoort_optical_remote_1998, 
author={Hakvoort, J. H. M., Heineke, M., Heymann, K., Kuehl, H., Riethmueller, R., Witte, G.},
title={Optical remote sensing of microphytobenthic biomass: a method to monitor tidal flat erodibility},
year={1998},
howpublished = {GKSS report},
note = {Hakvoort, J.; Heineke, M.; Heymann, K.; Kuehl, H.; Riethmueller, R.; Witte, G.: Optical remote sensing of microphytobenthic biomass: a method to monitor tidal flat erodibility. Senckenbergiana Maritima. 1998. vol. 29, no. 1/6, 77-85.}}