Böttcher, Michael E. Department of Biogeochemistry, Max Planck Institute for Marine Microbiology, Max Planck Society;
Wijsmana, J. W., Middelburg, J. J., Herman, P. M., Böttcher, M. E., & Heip, C. H. (2001). Sulfur and iron speciation in surface sediments along the northwestern margin of the Black Sea. Marine Chemistry, 74(4), 261-278.