1. Goat problems on Española and Santiago: news from Academy Bay;Anon;Noticias de Galápagos,1976
2. Tree-grass dynamics in a Prosopis-thornscrub savanna parkland: reconstructing the past and predicting the future;Archer;Ecoscience,1995
3. A tortoise goes home;Bacon;Zoonooz,1978
4. Origin and evolutionary relationships of giant Galápagos tortoises;Caccone;Proceedings of the National Academy of Sciences of the United States of America,1999
5. Phylogeography and history of giant Galápagos tortoises;Caccone;Evolution,2002