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)