1959/01/01 by Philip S. Humphrey, Kenneth C. Parkes · 8 citations
Environmental Science · #Avian ecology and behavior
paper · doi:10.2307/4081839
Philip S. Humphrey, Kenneth C. Parkes; An Approach to the Study of Molts and Plumages, The Auk, Volume 76, Issue 1, 1 January 1959, Pages 1–31, https://doi