Catalog of fossil spores and pollen /
prepared by G.O.W. Kremp, H.T. Ames and Hilde Grebe.

APA Citation

Kremp, G. O. W. (Gerhard Otto Wilhelm)., University of Arizona. Geochronology Laboratories., Pennsylvania State University. Palynological Laboratories. (19571985). Catalog of fossil spores and pollen. University Park, Pa.: Palynological Laboratories, Dept. of Geology, College of Mineral Industries, Pennsylvania State University.

MLA Citation

Kremp, Gerhard O. W. (Gerhard Otto Wilhelm), 1913-1994, University of Arizona. Geochronology Laboratories, and Pennsylvania State University. Palynological Laboratories. Catalog of Fossil Spores And Pollen. University Park, Pa.: Palynological Laboratories, Dept. of Geology, College of Mineral Industries, Pennsylvania State University, 19571985.