Pejrup, Morten. 1989. “C.P. Summerhayes, J. P. Ellis & P. Stoffers: Estuaries As Sinks for Sediment and Industrial Waste: A Case History from the Massachusetts Coast. (Contributions to Sedimento O Logy, 14.)”. Geografisk Tidsskrift - Danish Journal of Geography 89 (January). https://tidsskrift.dk/geografisktidsskrift/article/view/44653.