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Walter Cressler (1999)

Reference Librarian, West Chester University


Ph.D., University of Pennsylvania, "Site-Analysis and Floristics of the Late Devonian Red Hill Locality, Pennsylvania, An Archaeopteris-dominated Plant Community and early Tetrapod Site"

Department of Earth and Environmental Science / University of Pennsylvania, 251 Hayden Hall, 240 South 33rd Street, Philadelphia, PA 19104-6316