Year: 2007Publication Type: Journal Article - Multi-AuthorJournal Volume: 52Page Range: 379-389Article/Chapter Title: Humming in bears: a peculiar sustained mammalian vocalizationJournal Name: Acta TheriologicaAuthor(s) from ICR Staff: Megan Owen, Ph.D.Author Name/Init: Author Surname: PetersAuthor Initials: G. Author Surname: OwensAuthor Initials: M.A. Author Surname: RogersAuthor Initials: L.