TY  - RPRT
TI  - Crop classification using airborne radar and LANDSAT data
AU  - Ulaby, F. T.
AU  - Li, R. Y.
AU  - Shanmugam, K. S.
PY  - 1981
UR  - https://ntrs.nasa.gov/citations/19830017853
ID  - 19830017853
ER  -