J Bouckaert, R Conil, A Delmer, E Groessens, G Mortelmans, H Pirlet, M Streel, and J Thorez (1971)
Aperçu géologique des formations du Carbonifère belge. In: 7 Internationaler Kongress für Stratigraphie und Geologie des Karbons -Krefeld 23-28 August 1971
Geological Survey of Belgium Professional Paper, vol. 1971/2 p. 89 p.
04200, 124, 136, 147, 146, 152, 128, 153, 166, 165, 144, 133, 134, 154, .79, Ht, Li, Lg, N, SYNDIN, SYNAM, SYNVE, VARCAMP, CARB, STRA
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