%0 Government Document %0 Microform %0 Book %A Butera, M. Kristine %I National Aeronautics and Space Administration, National Space Technology Laboratories, Earth Resources Laboratory %D 1983 %C NSTL Station, MS %G English %B NASA technical memorandum ; %T A correlation analysis of percent canopy closure vs. TMS spectral response for selected forest sites in the San Juan National Forest, Colorado