Ferguson, C (2008). "Nutrient Pollution and the Molluscan Death Record: Use of Mollusc Shells to Diagnose Environmental Change". Journal of Coastal Research. 1: 250–259. doi:10.2112/06-0650.1. S2CID128476614.
Ferguson, C (2008). "Nutrient Pollution and the Molluscan Death Record: Use of Mollusc Shells to Diagnose Environmental Change". Journal of Coastal Research. 1: 250–259. doi:10.2112/06-0650.1. S2CID128476614.