@misc{hakvoort_a_basis_1998, 
author={Hakvoort, J. H. M., Heineke, M., Heymann, K., Kuehl, H., Riethmueller, R., Witte, G.},
title={A basis for mapping the erodibility of tidal flats by optical remote sensing},
year={1998},
howpublished = {journal article},
note = {Hakvoort, J.; Heineke, M.; Heymann, K.; Kuehl, H.; Riethmueller, R.; Witte, G.: A basis for mapping the erodibility of tidal flats by optical remote sensing. Marine and Freshwater Research. 1998. vol. 49, 867-873.}}