1. Stable isotopes to trace migratory birds and to identify harmful diseases : an introductory guide /: an introductory guide. (2016) Authors: Viljoen, Gerrit J; Luckins, A. G; Naletoski, I Record Type: Book Extent: 1 online resource (xii, 49 pages), illustrations (some color) View Content: Available online (eLD content is only available in our Reading Rooms) ↗