Journal article (2014) - CR Johnson (author), P Messier (author), S Roux (author), N van Pustelnik (author), N van Noord (author), L.J.P. van der Maaten (author), EO Postma (author), J Coddington (author), LA Daffner (author), H Murata (author), H. Wilhelm (author), S Wood (author), WA Sethares (author), M Messier (author), AG Klein (author), C Brown (author), A Hoang Do (author), P Klausmeyer (author), P Abry (author), S Jaffard (author), H Wendt (author)