Límite Cretácico-Paleógeno (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Límite Cretácico-Paleógeno" in Spanish language version.

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doi.org

dx.doi.org

  • Alvarez, Luis Walter; Alvarez, Walter; Asaro, Frank; Michel, Helen V. (1980). «Extraterrestrial cause for the Cretaceous–Tertiary extinction». Science 208 (4448): 1095-1108. doi:10.1126/science.208.4448.1095. 
  • Renne, P. R.; Arenillas, I.; Arz, J. A.; Vadja, V.; Gilabert, V.; Bermúdez, H. D. (2018). «Multi-proxy record of the Chicxulub impact at the Cretaceous-Paleogene boundary from Gorgonilla Island, Colombia». Geology 46 (6): 547-55. doi:10.1130/g40224.1. 

eltiempo.com

ku.dk

ign.ku.dk

purdue.edu

engineering.purdue.edu