TY  - RPRT
TI  - Impact of prescribed fire and other factors on cheatgrass persistence in a Sierra Nevada ponderosa pine forest
AU  - Jon E. Keeley
AU  - T.W. McGinnis
PY  - 2007
DO  - 10.1071/wf06052
UR  - https://pubs.usgs.gov/publication/70031932
ID  - 70031932
ER  -