Dinosaurios Mexicanos: A 1998 description of Mexican dinosaur discoveries, with a focus on Coahuila.
Equinodermos fósiles de México: An examination of the known fossil echinoderms from Mexico.
Fossil Triassic plants of Sonora, Mexico: A discussion of fossil plants from the Santa Clara Formation accompanied by photographs.
Precambrian Stromatolites of Sonora, Mexico: A discussion of Sonoran stromatolite fossils accompanied by photographs.
Los Dinosaurios en México: A paper describing the abundance, diversity and conservation status of fossil remains of dinosaurs discovered in the northern states of Mexico, especially during the nineties.
The Geologic Evolution of Sonora: The tectonic history of Sonora, with an emphasis on the region around Nogales.