TY  - RPRT
TI  - How old is the Isthmus of Panama?
AU  - Anthony G Coates
AU  - Robert F. Stallard
PY  - 2013
DO  - 10.5343/bms.2012.1076
UR  - https://pubs.usgs.gov/publication/70171524
ID  - 70171524
ER  -