Liens
[1] https://memoires.laligue.org/sites/memoires.laligue.org/files/usep_9_p9-15_dossier_petit_tour.pdf
[2] https://memoires.laligue.org/print/archive/document/dossier-sur-le-ptit-tour-usep
[3] https://memoires.laligue.org/printmail/archive/document/dossier-sur-le-ptit-tour-usep