Harley, Heidi E.; Fellner, Wendi; & Stamper, M. Andy. (2010). Cognitive Research with Dolphins (Tursiops truncatus) at Disney’s The Seas: A Program for Enrichment, Science, Education, and Conservation. International Journal of Comparative Psychology, 23(3). Retrieved from: http://www.escholarship.org/uc/item/92z8z9wq