Bernard Mamet and J. Thomas Dutro Jr. William J. Sando books & textbook
Carboniferous Megafaunal and Microfaunal Zonation in the Northern Cordillera of the United States GEOLOGICAL SURVEY PROFESSIONAL PAPER 613-E, CONTRIBUTIONS TO PALEONTOLOGY
Bernard Mamet and J. Thomas Dutro Jr. William J. Sando
United States Governent Printing Office, Washinton, D.C. /1969-01-01 Staple Bound
