TY  - RPRT
TI  - Time-lapse video sysem used to study nesting Gyrfalcons
AU  - Travis Booms
AU  - Mark R. Fuller
PY  - 2003
DO  - 10.1648/0273-8570-74.4.416
UR  - https://pubs.usgs.gov/publication/1016268
ID  - 1016268
ER  -