Nelson, D., Abbott, M., Steinman, B., Polissar, P., Stansell, N., Ortiz, J., Rosenmeier, M., Finney, B., & Riedel, J. (2011). Drought Variability in the Pacific Northwest from a 6,000-yr Lake Sediment Record. Proceedings of the National Academy of Sciences of the United States of America. https://doi.org/10.1073/pnas.1009194108
Nelson, Daniel, Mark Abbott, Byron Steinman, Pratigya Polissar, Nathan Stansell, Joseph Ortiz, Michael Rosenmeier, Bruce Finney, and Jon Riedel. 2011. “Drought Variability in the Pacific Northwest from a 6,000-Yr Lake Sediment Record”. Proceedings of the National Academy of Sciences of the United States of America. https://doi.org/10.1073/pnas.1009194108.
Nelson, D., M. Abbott, B. Steinman, P. Polissar, N. Stansell, J. Ortiz, M. Rosenmeier, B. Finney, and J. Riedel. Drought Variability in the Pacific Northwest from a 6,000-Yr Lake Sediment Record. Proceedings of the National Academy of Sciences of the United States of America, 1 Jan. 2011, doi:10.1073/pnas.1009194108.