TY - JOUR IS - 4252 JO - Science PY - 1976 SN - 0036-8075 VL - 193 AU - Emlen ST AU - Wiltschko W AU - Demong NJ AU - Wiltschko R AU - Bergman S DO - 10.1126/science.193.4252.505 LA - en N1 - FEMU ID: 44361; EMF-Portal URL: https://www.emf-portal.org/en/article/44361 SP - 505-508 TI - Magnetic direction finding: evidence for its use in migratory indigo buntings ER -