{{Cite conference| publisher = BRGM - Service géologique national| last1 = Thomas| first1 = Éric| last2 = Outin| first2 = Jean-Marie| title = Notice explicative de la feuille 315 - Saint-Meen-le-Grand| location = Orléans| series = Carte géol. France (1/50 000)| date = 2008}}