TY  - RPRT
TI  - Satellite and field studies of man's impact on the surface in arid regions
AU  - Joseph Otterman
PY  - 1981
DO  - 10.1111/j.2153-3490.1981.tb01731.x
UR  - https://pubs.usgs.gov/publication/70140573
ID  - 70140573
ER  -