Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSome remarks on the validity of the playback method.AuthorsEspmark, Yngve; Fonstad, TorePublicationIbis, 1983, Vol 125, Issue 2, p235ISSN0019-1019Publication typeArticleDOI10.1111/j.1474-919X.1983.tb03104.x