TY  - RPRT
TI  - Eo-Ulrichian to Neo-Ulrichian views: The renaissance of "layer-cake stratigraphy"
AU  - Carlton E. Brett
AU  - P.I. McLaughlin
AU  - G.C. Baird
PY  - 2007
UR  - https://pubs.usgs.gov/publication/70031640
ID  - 70031640
ER  -