Iturralde-Vinent, Manuel A.; MacPhee, R. D. E. (27 September 1996). "Age and Paleogeographical Origin of Dominican Amber". Science. 273 (5283). American Association for the Advancement of Science (AAAS): 1850–1852. Bibcode:1996Sci...273.1850I. doi:10.1126/science.273.5283.1850. ISSN0036-8075.
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Iturralde-Vinent, Manuel A.; MacPhee, R. D. E. (27 September 1996). "Age and Paleogeographical Origin of Dominican Amber". Science. 273 (5283). American Association for the Advancement of Science (AAAS): 1850–1852. Bibcode:1996Sci...273.1850I. doi:10.1126/science.273.5283.1850. ISSN0036-8075.
Iturralde-Vinent, Manuel A.; MacPhee, R. D. E. (27 September 1996). "Age and Paleogeographical Origin of Dominican Amber". Science. 273 (5283). American Association for the Advancement of Science (AAAS): 1850–1852. Bibcode:1996Sci...273.1850I. doi:10.1126/science.273.5283.1850. ISSN0036-8075.