Ames, H. T.; Traverse, A.; Spackman, W. (1976). Catalog of Fossil Spores and Pollen. Volume 40. Triassic-Cretaceous Spores and Pollen. Pennsylvania State University, 243 pp. plus prefaces.
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Ames, H. T.; Traverse, A.; Spackman, W.
1976
Catalog of Fossil Spores and Pollen. Volume 40. Triassic-Cretaceous Spores and Pollen. Pennsylvania State University, 243 pp. plus prefaces.