TY  - RPRT
TI  - Principles and practices of satellite multispectral image mapping in the U.S. Geological Survey
AU  - R.D. Sanchez
AU  - J.A. McSweeney
PY  - 1986
DO  - 10.3133/ofr868
UR  - https://pubs.usgs.gov/publication/ofr868
ID  - ofr868
ER  -