TY  - RPRT
TI  - Selected plant microfossil records of the terminal Cretaceous event in terrestrial rocks, western North America
AU  - D. J. Nichols
PY  - 2007
DO  - 10.1016/j.palaeo.2007.02.038
UR  - https://pubs.usgs.gov/publication/70031221
ID  - 70031221
ER  -