Hi all, I'm looking for a good pdf file of this reference, texte and atlas : Renier,A., Stockmans, F., Demanet,F., Van Straelen,V., 1938. Flore et Faune Houillères de la Belgique. Introduction à l'étude du Terrain Houiller. Publication of Musée Royale d 'Histoire Naturelle de Belgique, Flora Atlas Pls.1-105, pp. 60-91. May someone has this bibliography and can share it ! Cordially and stay healthy! Bruno