TY  - RPRT
TI  - Objective synoymy catalog of the Cambrian fossils of the world (as recorded through 1954)
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1955
DO  - 10.3133/ofr55129
UR  - https://pubs.usgs.gov/publication/ofr55129
ID  - ofr55129
ER  -