Parras, A., Griffin, M., Feldmann, R., Casadío, S., & Schweitzer, C. (2008). Correlation of Marine Beds Based on Sr- and Ar-date Determinations and Faunal Affinities across the Paleogene/Neogene Boundary in Southern Patagonia, Argentina. Journal of South American Earth Sciences. https://doi.org/10.1016/j.jsames.2008.03.006
Parras, Ana, Miguel Griffin, Rodney Feldmann, Silvio Casadío, and Carrie Schweitzer. 2008. “Correlation of Marine Beds Based on Sr- and Ar-Date Determinations and Faunal Affinities across the Paleogene/Neogene Boundary in Southern Patagonia, Argentina”. Journal of South American Earth Sciences. https://doi.org/10.1016/j.jsames.2008.03.006.
Parras, A., M. Griffin, R. Feldmann, S. Casadío, and C. Schweitzer. Correlation of Marine Beds Based on Sr- and Ar-Date Determinations and Faunal Affinities across the Paleogene/Neogene Boundary in Southern Patagonia, Argentina. Journal of South American Earth Sciences, 1 Sept. 2008, doi:10.1016/j.jsames.2008.03.006.