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Weckström, Kaarina; Saunders, Krystyna M.; Gell, Peter A.; Skilbeck, C. Gregory . (2017). [Developments in Paleoenvironmental Research] Applications of Paleoenvironmental Techniques in Estuarine Studies Volume 20 || Sediment Sampling in Estuaries: Site Selection and Sampling Techniques. , 10.1007/978-94-024-0990-1(Chapter 5), 89–120. doi:10.1007/978-94-024-0990-1_5 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research