TY - RPRT TI - Phenological classification of the United States: A geographic framework for extending multi-sensor time-series data AU - Yingxin Gu AU - Jesslyn F. Brown AU - Tomoaki Miura AU - Willem van Leeuwen AU - Bradley C. Reed PY - 2010 DO - 10.3390/rs2020526 UR - https://pubs.usgs.gov/publication/70188017 ID - 70188017 ER -