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Unsettled puzzle of the Marlboro clays.
Stassen P, Speijer RP, Thomas E. Stassen P, et al. Among authors: speijer rp. Proc Natl Acad Sci U S A. 2014 Mar 25;111(12):E1066-7. doi: 10.1073/pnas.1321839111. Epub 2014 Feb 26. Proc Natl Acad Sci U S A. 2014. PMID: 24572571 Free PMC article. No abstract available.
The Chicxulub asteroid impact and mass extinction at the Cretaceous-Paleogene boundary.
Schulte P, Alegret L, Arenillas I, Arz JA, Barton PJ, Bown PR, Bralower TJ, Christeson GL, Claeys P, Cockell CS, Collins GS, Deutsch A, Goldin TJ, Goto K, Grajales-Nishimura JM, Grieve RA, Gulick SP, Johnson KR, Kiessling W, Koeberl C, Kring DA, MacLeod KG, Matsui T, Melosh J, Montanari A, Morgan JV, Neal CR, Nichols DJ, Norris RD, Pierazzo E, Ravizza G, Rebolledo-Vieyra M, Reimold WU, Robin E, Salge T, Speijer RP, Sweet AR, Urrutia-Fucugauchi J, Vajda V, Whalen MT, Willumsen PS. Schulte P, et al. Among authors: speijer rp. Science. 2010 Mar 5;327(5970):1214-8. doi: 10.1126/science.1177265. Science. 2010. PMID: 20203042 Review.