1966/07/01 by Stephen T. Emlen, John T. Emlen · 6 citations
Environmental Science · Agricultural and Biological Sciences · #Avian ecology and behavior #Wildlife Ecology and Conservation #Bat Biology and Ecology Studies
paper · pdf · doi:10.2307/4083048
Stephen T. Emlen, John T. Emlen; A Technique for Recording Migratory Orientation of Captive Birds, The Auk, Volume 83, Issue 3, 1 July 1966, Pages 361–367,