Media type: E-Article Title: Fluoridization of Microfossils: Addenda Contributor: Upshaw, Charles F.; Todd, Robert G.; Allen, Billy D. imprint: Society of Economic Paleontologists and Mineralogists and the Paleontological Society, 1958 Published in: Journal of Paleontology Language: English ISSN: 0022-3360; 1937-2337 Keywords: Paleontological Notes Origination: Footnote: