TY  - RPRT
TI  - Promoting wildness in sandhill cranes conditioned to follow an ultralight aircraft
AU  - Joseph W. Duff
AU  - William A. Lishman
AU  - D. A. Clark
AU  - G.F. Gee
AU  - D.T. Sprague
AU  - D. H. Ellis
PY  - 2001
UR  - https://pubs.usgs.gov/publication/5211133
ID  - 5211133
ER  -