TY  - RPRT
TI  - Thematic classification of multispectral image data by use of digital film recorders
AU  - Donald B. Segal
AU  - M. Dennis Krohn
PY  - 1981
DO  - 10.3133/ofr81275
UR  - https://pubs.usgs.gov/publication/ofr81275
ID  - ofr81275
ER  -