Gorham, E.2012-06-182012-06-181961Gorham E. Chlorophyll derivatives, sulphur, and carbon in sediment cores from two English lakes. Canadian Journal of Botany 1961;39(2):333-338.https://hdl.handle.net/11299/125729Fossil pigments in lake sediments as indicators of productivity, evolution, eutrophication and sources of organic matterChlorophyll derivatives, sulphur, and carbon in sediment cores from two English lakesArticle