TY - RPRT TI - Evaluation of small area crop estimation techniques using LANDSAT- and ground-derived data AU - Amis, M. L. AU - Martin, M. V. AU - Mcguire, W. G. AU - Shen, S. S. PY - 1982 UR - https://ntrs.nasa.gov/citations/19830004217 ID - 19830004217 ER -