Fenneman, N. M., 1931, Physiography of the Western United States: New York, McGraw-Hill Book Co., 534 p.

Paul, G. S., 1988, Physiological, migratorial, climatological, geophysical, survival and evolutionary implications of polar dinosaurs: Journal of Paleontology, v. 62, p. 640-652.

[Return to A Keyword-Indexed Origins Bibliography]

begin trailer end trailer