@phdthesis{c-rcds-03
, author =      "Colin de Verdi{\`e}re, {\'E}ric"
, title =       "Raccourcissement de courbes et d{\'e}composition de surfaces"
, school =      "Universit{\'e} Paris 7"
, month =       dec
, year =        2003
, note =	"Available at http://www.di.ens.fr/\~{}colin/"
}