Journal article (2013) - CR Parker (author), Zeyong Wei (author), BW Laursen (author), K Norgaard (author), M Brondsted Nielsen (author), CR Arroyo (author), K Jennum (author), Tianzhi Li (author), M Santanella (author), N Bovet (author), H.S.J. van der Zant (author), M Vanin (author), GC Solomon (author)