TY  - RPRT
TI  - Upper Proterozoic and Cambrian rocks in the Caborca region, Sonora, Mexico; physical stratigraphy, biostratigraphy, paleocurrent studies, and regional relations
AU  - John H. Stewart
AU  - M.A.S. McMenamin
AU  - J. M. Morales-Ramirez
PY  - 1984
DO  - 10.3133/pp1309
UR  - https://pubs.usgs.gov/publication/pp1309
ID  - pp1309
ER  -