TY  - RPRT
TI  - Mapping land cover from satellite images: A basic, low cost approach
AU  - Elifrits, C. D.
AU  - Barney, T. W.
AU  - Barr, D. J.
AU  - Johannsen, C. J.
PY  - 1978
UR  - https://ntrs.nasa.gov/citations/19780009503
ID  - 19780009503
ER  -