Contributions the the Belgian Symposium on structural geology and tectonics.
1997, Leuven Univ. Press, Aardkundige Meded. 8; 215 pp. many figs. Collection of ca 50 short papers on structural geology of the Ardennes. Orig. wrps. 4to.
La faune ichthyologique de l'Yprésien de la Belgique.
1946. Mém. Mus. R. Hist. Natur. Belg. No. 104; 267 pp. 17 fig. 6 plts. h.t. Orig. wrps. front cover with some unobtrusive soiling, last pages and plates with small brown spot (see photo) in blanc margin, otherwise and contents very good, lg4to.