TY  - RPRT
TI  - Biostratigraphy of selected K/T boundary sections in southwestern North Dakota, USA: Toward a refinement of palynological identification criteria
AU  - Antoine Bercovici
AU  - Dean Pearson
AU  - Douglas J. Nichols
AU  - Jacqueline Wood
PY  - 2009
DO  - 10.1016/j.cretres.2008.12.007
UR  - https://pubs.usgs.gov/publication/70221496
ID  - 70221496
ER  -