Journal article (2006) - HB Heersche (author), Z de Groot (author), Herre S.J. van der Zant (author), C Romeike (author), M. R. Wegewijs (author), L Zobbi (author), D Barreca (author), E Tondello (author), A Cornia (author)

Journal article (2003) - A Cornia (author), AC Fabretti (author), L Gourevitch (author), H.S.J. van der Zant (author), M Pacchioni (author), L Zobbi (author), D Bonacchi (author), A Caneschi (author), D Gatteschi (author), R Biagi (author), U Del Pennino (author), V De Renzi (author)