Doiron, K. E., Colcord, D. E., Shilling, A. M., Njau, J. K., Stanistreet, I. G., Stollhofen, H., Schick, K. D., Toth, N. P., Brassell, S. C. (2026). Biomarker
                    <i>δ</i>
                    <sup>13</sup>
                    C values record consistent savanna vegetation and variable alkalinity of Lake Olduvai during Pleistocene wet/dry cycles. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2508896122