http://en.wikipedia.org/wiki/Michael_Balint
http://64.233.179.104/translate_c?&u=http://perso.orange.fr/liliane.fainsilber/pages/ginette.htm
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11928655&dopt=Abstract
http://www.ingentaconnect.com/content/klu/tajp/2002/00000062/00000001/00365884