TY  - RPRT
TI  - Observed changes in phenology across the USA: A regional review for the 2013 National Climate Assessment, Great Plains Regional Information Sheet.
AU  - Stacey A. Leicht-Young
AU  - Carolyn A.F. Enquist
AU  - Jake F. Weltzin
PY  - 2013
UR  - https://pubs.usgs.gov/publication/70045182
ID  - 70045182
ER  -