TY  - RPRT
TI  - Implementation of unmanned aircraft systems by the U.S. Geological Survey
AU  - J.J. Cress
AU  - J.L. Sloan
AU  - M.E. Hutt
PY  - 2011
DO  - 10.1080/10106049.2010.533199
UR  - https://pubs.usgs.gov/publication/70034967
ID  - 70034967
ER  -