Zonneveld, KAF, Susek, E and Fischer, G (2010) Seasonal variability of the organic-walled dinoflagellate cyst production in the coastal upwelling region off Cape Blanc (Mauritania): A five-year survey. Journal of Phycology, 46(1). 202-215. doi:10.1111/j.1529-8817.2009.00799.x
Susek, E, Zonneveld, KAF, Fischer, G, Versteegh, GJM and Willems, H (2005) Organic-walled dinoflagellate cysts production in relation to upwelling intensity and lithogenic influx in the Cape Blanc region (off north-west Africa). Phycological Journal, 53(2). 97-112. doi:10.1111/j.440-183.2005.00377