J. Vásquez

Microstratigraphic preservation of ancient faunal and hominin DNA in Pleistocene cave sediments

B. Nickel, M. Shunkov, M. Meyer, 2021, Proceedings of the National Academy of Sciences.

Palynology and chronostratigraphy of the Upper Cretaceous in the subsurface of the Barinas area, western Venezuela

J. Helenes, J. Vásquez, C. Guerra, 1998 .