@ARTICLE {THENKABAIL: 1994, title = {Impacts of agricultural management practices on soybean and corn crops evident in ground-truth data and thematic mapper vegetation indices}, author = {Thenkabail, P. and Ward, A. D. and Lyon, J. }, journal = {Transactions of the ASEA}, year = {1994}, volume = {37}, number = {3}, pages = {989--995}, }