@misc{indiciaec3d1a4801291, title = {A mixture model approach for estimating crop areas from Landsat data}, author = {Lennington, R. K. and Sorensen, C. T. and Heydorn, R. P.}, year = {1984}, url = {https://ntrs.nasa.gov/citations/19840039606}, note = {Source identifier: 19840039606} }