TY  - RPRT
TI  - Alaskan Cretaceous-Tertiary floras and Arctic origins
AU  - Robert A. Spicer
AU  - Jack A. Wolfe
AU  - Douglas J. Nichols
PY  - 2016
DO  - 10.1017/s0094837300008599
UR  - https://pubs.usgs.gov/publication/70221503
ID  - 70221503
ER  -