Stable carbon isotope ratios within carbonate concretions: a clue to the place and time of formation
Curtis, C.D.; Petrowski, C.; Oertel, G. (1972). Stable carbon isotope ratios within carbonate concretions: a clue to the place and time of formation. Nature (Lond.) 235: 98-100
In: Nature: International Weekly Journal of Science. Nature Publishing Group: London. ISSN 0028-0836; e-ISSN 1476-4687, meer
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