Zorzi, Marco; Barbiero, Chiara; Facoetti, Andrea; Lonciari, Isabella; Carrozzi, Marco; Montico, Marcella; Bravar, Laura; George, Florence; Pech-Georgel, Catherine; Ziegler, Johannes (4 June 2012). Posner, Michael (ed.). "Extra-large letter spacing improves reading in dyslexia". Proceedings of the National Academy of Sciences of the United States of America. 109 (28): 11455–11459. doi:10.1073/pnas.1205566109. PMC3396504. PMID22665803.
Zorzi, Marco; Barbiero, Chiara; Facoetti, Andrea; Lonciari, Isabella; Carrozzi, Marco; Montico, Marcella; Bravar, Laura; George, Florence; Pech-Georgel, Catherine; Ziegler, Johannes (4 June 2012). Posner, Michael (ed.). "Extra-large letter spacing improves reading in dyslexia". Proceedings of the National Academy of Sciences of the United States of America. 109 (28): 11455–11459. doi:10.1073/pnas.1205566109. PMC3396504. PMID22665803.
Zorzi, Marco; Barbiero, Chiara; Facoetti, Andrea; Lonciari, Isabella; Carrozzi, Marco; Montico, Marcella; Bravar, Laura; George, Florence; Pech-Georgel, Catherine; Ziegler, Johannes (4 June 2012). Posner, Michael (ed.). "Extra-large letter spacing improves reading in dyslexia". Proceedings of the National Academy of Sciences of the United States of America. 109 (28): 11455–11459. doi:10.1073/pnas.1205566109. PMC3396504. PMID22665803.