Stevens, R, Reade H, Sayle K, Tripp J, Frémondeau D, Lister A, Barnes I, Germonpré M, Street M, Murton J, Bottrell S, James D, Higham T. Major Excursions in Sulfur Isotopes Linked to Permafrost Change in Eurasia during the Last 50,000 Years. Nature Geoscience 18, 961–965 (2025). https://doi.org/10.1038/s41561-025-01760-x
Stevens RE, Reade H, Murton JB, Bottrell SH. 2021. Unlocking records of past permafrost thaw through isotopes of fossil bones. The Leverhulme Trust Annual Review : https://www.flipsnack.com/leverhulmetrust/2021-annual-review/full-view.html