Groessens E., Termier H. & Termier G., 1975. A propos d’un Syringoporidae nouveau du Tn1b de la région de Dinant. Memoirs of the Geological Survey of Belgium, 19, 13 p.
The printed version of the Memoirs Vol. 19 is available for sale at the GSB. For ordering, please contact gsb@naturalsciences.be
