TY  - RPRT
TI  - Development of multiple unconformities during the Devonian-Carboniferous transition on parts of Laurussia
AU  - F.R. Ettensohn
AU  - J.C. Pashin
PY  - 1997
UR  - https://pubs.usgs.gov/publication/70019531
ID  - 70019531
ER  -