TY  - RPRT
TI  - Deriving annual integrated NDVI greenness at 30 m spatial resolution
AU  - Chengquan Huang
AU  - Brian L. Tolk
AU  - James Vogelmann
AU  - Michelle L. Knuppe
AU  - Zhiliang Zhu
PY  - 2003
UR  - https://pubs.usgs.gov/publication/70263457
ID  - 70263457
ER  -