TY - RPRT TI - Spatial and Temporal Migration Patterns of Neotropical Migrants in the Southwest Revealed by Stable Isotopes AU - Kristina L. Paxton AU - Charles van Riper PY - 2006 DO - 10.3133/ofr20051298 UR - https://pubs.usgs.gov/publication/ofr20051298 ID - ofr20051298 ER -