@misc{indiciae708c16a0a96b, title = {Recognition map analysis and crop acreage estimation}, author = {Manderscheid, L. V. and Erickson, J. D. and Nalepka, R. F. and Morgenstern, J. P.}, year = {1975}, url = {https://ntrs.nasa.gov/citations/19750021445}, note = {Source identifier: 19750021445} }