Year: 2005Publication Type: Journal Article - Multi-AuthorJournal Volume: 24Page Range: 499-518Article/Chapter Title: Scientific approaches to enrichment and stereotypies in zoo animals: what's been done and where should we go next? Journal Name: Zoo BiologyAuthor(s) from ICR Staff: Ronald Swaisgood, Ph.D.Author Name/Init: Author Surname: SwaisgoodAuthor Initials: R.R. Author Surname: ShepherdsonAuthor Initials: D.J.