TY - RPRT TI - A novel automatic phenology learning (APL) method of training sample selection using multiple datasets for time-series land cover mapping AU - Congcong Li AU - George Z. Xian AU - Qiang Zhou AU - Bruce Pengra PY - 2021 DO - 10.1016/j.rse.2021.112670 UR - https://pubs.usgs.gov/publication/70226855 ID - 70226855 ER -