TY  - RPRT
TI  - Biological soil crusts of Mongolia- Impacts of grazing and precipitation on nitrogen inputs
AU  - Jayne Belnap
AU  - D. Ojima
AU  - N.N. Barger
PY  - 1999
UR  - https://pubs.usgs.gov/publication/70194588
ID  - 70194588
ER  -