1. Evolutionary, biostratigraphic, and taxonomic study of calcareous nannofossils from a continuous Paleocene-Eocene boundary section in New Jersey Author/Creator: Bybell, Laurel M., author Publication/Creation: Washington : U.S. Department of the Interior, U.S. Geological Survey, 1994 Resource Type: Book Access & Availability: Loading
2. Evolutionary, biostratigraphic, and taxonomic study of calcareous nannofossils from a continuous Paleocene-Eocene boundary section in New Jersey Author/Creator: Bybell, Laurel M. Publication/Creation: Denver, CO : For sale U.S. Geological Survey, Information Services Resource Type: Book Access & Availability: Loading