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Journal Article The Use of Radio-active Carbon (C14) for Measuring Organic Production in the Sea Get access E. Steemann Nielsen E. Steemann Nielsen Royal Danish School of PharmacyCopenhagen Search for other works by this author on: Oxford Academic Google Scholar ICES Journal of Marine Science, Volume 18, Issue 2, August 1952, Pages 117–140, https://doi.org/10.1093/icesjms/18.2.117 Published: 01 August 1952
E. Steemann Nielsen (Fri,) studied this question.