TY  - RPRT
TI  - Quantitative studies of bird movement: A methodological review
AU  - J.D. Nichols
AU  - A. Kaiser
PY  - 2009
DO  - 10.1080/00063659909477256
UR  - https://pubs.usgs.gov/publication/5223855
ID  - 5223855
ER  -