TY - RPRT TI - Using stable isotopes to associate migratory shorebirds with their wintering locations in Argentina AU - A.H. Farmer AU - M. Abril AU - M. Fernandez AU - J. Torres AU - C. Kester AU - C. Bern PY - 2004 UR - https://pubs.usgs.gov/publication/1015187 ID - 1015187 ER -