Hall, F. G., & Knapp, D. E. (1999). BOREAS TE-18 Landsat TM Maximum Likelihood Classification Image of the SSA (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/430 Date Accessed: 2026-02-17
Hall, F.G., and D.E. Knapp. “BOREAS TE-18 Landsat TM Maximum Likelihood Classification Image of the SSA.” ORNL Distributed Active Archive Center, January 1, 1999. doi:10.3334/ORNLDAAC/430. Date Accessed: 2026-02-17
Hall, F. G., and D. E. Knapp. BOREAS TE-18 Landsat TM Maximum Likelihood Classification Image of the SSA. 1, ORNL Distributed Active Archive Center, 1 Jan. 1999, doi:10.3334/ORNLDAAC/430. Date Accessed: 2026-02-17