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By "Armstrong-Ziegler, Judy Gail. "
Amphibia and reptilia from the Campanian of New Mexico / Judy Gail Armstrong-Ziegler.
By: Armstrong-Ziegler, Judy Gail. - Field Museum of Natural History.
Publication info: [Chicago] :Field Museum of Natural History,1980.
Contributed by: University of Illinois Urbana Champaign