@misc{indiciaebb2f099252c1, title = {A strategy for estimating tree canopy density using Landsat 7 ETM+ and high resolution images over large areas}, author = {Chengquan Huang and Limin Yang and Bruce K. Wylie and Collin G. Homer}, year = {2001}, url = {https://pubs.usgs.gov/publication/70231710}, note = {Source identifier: 70231710} }