R. Schumacker

Martin J.M. Bless, Jos Bouckaert, Thierry Camelbeeck, Léon Dejonghe, Alain Demoulin, Christian Dupuis, P.J. (Sjeuf) Felder, Fernand Geukens, Frans Gullentops, Luc Hance, John W.M. Jagt, Etienne Juvigné, Ulrich Kramm, André Ozer, Albert Pissart, Francis Robaszynski, R. Schumacker, A. Smolderen, G. Spaeth, Philippe Steemans, Maurice Streel, Georges Vandenven, Michel Vanguestaine, R. Walter & Monika Wolf
The Stavelot Massif from Cambrian to recent. A survey of the present state of knowledge
Volume 113 (1990)Fascicule 2

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