@article{knight_lunetta_ediriwickrema_khorrarn_2006, title={Regional scale land cover characterization using MODIS-NDVI 250 m multi-temporal imagery: A phenology-based approach}, volume={43}, DOI={10.2747/1548-1603.43.1.1}, number={1}, journal={GIScience & Remote Sensing}, author={Knight, J. F. and Lunetta, R. S. and Ediriwickrema, J. and Khorrarn, S.}, year={2006}, pages={1–23} }
 @article{lunetta_iiames_knight_congalton_mace_2001, title={An assessment of reference data variability using a 'virtual field reference database'}, volume={67}, number={6}, journal={Photogrammetric Engineering and Remote Sensing}, author={Lunetta, R. S. and Iiames, J. and Knight, J. and Congalton, R. G. and Mace, T. H.}, year={2001}, pages={707–715} }