TY  - RPRT
TI  - Dated wood from Alaska and the Yukon: Implications for forest refugia in Beringia
AU  - D.M. Hopkins
AU  - P.A. Smith
AU  - J.V. Matthews
PY  - 2017
DO  - 10.1016/0033-5894(81)90028-4
UR  - https://pubs.usgs.gov/publication/70012109
ID  - 70012109
ER  -