Principles of Paleontology
San Francisco: W. H. Freeman and Company, 1971. x, 388p., b/w illus., lightly chipped dj. More
San Francisco: W. H. Freeman and Company, 1971. x, 388p., b/w illus., lightly chipped dj. More
New York: Scientific American Books, 1987. 2d Printing. [xii] 242p., colored and b/w illus., dj (Scientific American library, 20). More