@book{ international1987iaea, title={Studies on Sulphur Isotope Variations in Nature}, series={Panel Proceedings Series}, year={1987}, isbn={92-0-141087-5}, url={http://www.dgdingfa.net/publications/3605/studies-on-sulphur-isotope-variations-in-nature}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }
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