Miller, J. R., Freemantle, J. R., Belanger, M., & Awaya, Y. (1990). Reflectance Reference Targets (OTTER) (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/74 Date Accessed: 2026-09-20

@article{miller_freemantle_belanger_awaya_1990, title={Reflectance Reference Targets (OTTER)}, url={https://www.earthdata.nasa.gov/data/catalog/ornl-cloud-spectra-target-74-1}, DOI={10.3334/ORNLDAAC/74}, abstractNote={Spectral reflectance measurements of flat field targets as reference points representative of pseudo-invariant targets as measured by Spectron SE590 spectrophotometer}, publisher={ORNL Distributed Active Archive Center}, author={Miller, J.R. and Freemantle, J.R. and Belanger, M. and Awaya, Y.}, year={1990}, language={en}, }

Miller, J. R., Freemantle, J. R., Belanger, M., & Awaya, Y. (1990). Reflectance Reference Targets (OTTER) (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/74 Date Accessed: 2026-09-20

Miller, J.R., et al. “Reflectance Reference Targets (OTTER).” With ORNL DAAC, Version 1, ORNL Distributed Active Archive Center, 1 Jan. 1990, https://doi.org/10.3334/ORNLDAAC/74. Date Accessed: 2026-09-20