TY  - RPRT
TI  - Toward conservation of midcontinental shorebird migrations
AU  - Susan K. Skagen
AU  - Fritz L. Knopf
PY  - 2002
DO  - 10.1046/j.1523-1739.1993.07030533.x
UR  - https://pubs.usgs.gov/publication/70128518
ID  - 70128518
ER  -