TY  - RPRT
TI  - Sampling animal sign in heterogeneous environments: how much is enough?
AU  - Joseph D. Holbrook
AU  - Robert S. Arkle
AU  - Janet L. Rachlow
AU  - Kerri T. Vierling
AU  - David S. Pilliod
PY  - 2015
DO  - 10.1016/j.jaridenv.2015.03.013
UR  - https://pubs.usgs.gov/publication/70145517
ID  - 70145517
ER  -