Vergara, D. G., Walker, R. T., Arima, E. Y., & Caldas, M. M. (2011). LBA-ECO LC-24 Landsat ETM+ Forest Cover Classification, Uruara, Para, Brazil: 1999 (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1054 Date Accessed: 2026-05-06
Vergara, D.G, R.T. Walker, E.Y. Arima, and M.M. Caldas. “LBA-ECO LC-24 Landsat ETM+ Forest Cover Classification, Uruara, Para, Brazil: 1999.” ORNL Distributed Active Archive Center, January 1, 2011. doi:10.3334/ORNLDAAC/1054. Date Accessed: 2026-05-06
Vergara, D. G., et al. LBA-ECO LC-24 Landsat ETM+ Forest Cover Classification, Uruara, Para, Brazil: 1999. 1, ORNL Distributed Active Archive Center, 1 Jan. 2011, doi:10.3334/ORNLDAAC/1054. Date Accessed: 2026-05-06