TY - RPRT TI - Comparative use of riparian corridors and oases by migrating birds in southeast Arizona AU - S. K. Skagen AU - Cynthia Melcher AU - W.H. Howe AU - F.L. Knopf PY - 2008 DO - 10.1111/j.1523-1739.1998.96384.x UR - https://pubs.usgs.gov/publication/70021407 ID - 70021407 ER -