Douglas J. Nichols

1. The Chicxulub Asteroid Impact and Mass Extinction at the Cretaceous-Paleogene Boundary
   2010/03/04 by Peter Schulte, Laia Alegret, Ignacio Arenillas +38 · 1 voice · 112 citations
   Earth and Planetary Sciences · #Geological and Geochemical Analysis #Paleontology and Stratigraphy of Fossils #Geology and Paleoclimatology Research
2. Palynology and age of some Cretaceous nonmarine deposits in Mongolia and China
   2006/02/11 by Douglas J. Nichols, Masaki Matsukawa, Makoto Ito +1 · 2 citations
   Earth and Planetary Sciences · #Evolution and Paleontology Studies #Geological and Geochemical Analysis #Paleontology and Evolutionary Biology