We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDo orangutans (Pongo pygmaeus) know when they do not remember?AuthorsSuda-King CPublicationAnimal cognition, 2008, Vol 11, Issue 1, p21ISSN1435-9448Publication typearticleDOI10.1007/s10071-007-0082-7