Journal article (2013) - A. Castellanos Gomez (author), Efrén Navarro-Moratalla (author), G Mokry (author), J Quereda (author), E Pinilla-Cienfuegos, (author), N Agrait (author), H.S.J. van der Zant (author), E Coronado (author), G.A. Steele (author), Gary A. Steele (author), G Rubio-Bollinger (author)