TY  - RPRT
TI  - A provisional Radiolaria biostratigraphy, Late Devonian through Late Permian
AU  - Brian K. Holdsworth
AU  - David Lawrence Jones
PY  - 1980
DO  - 10.3133/ofr80876
UR  - https://pubs.usgs.gov/publication/ofr80876
ID  - ofr80876
ER  -