A Wichmann (1906)
On fragments of rocks from the Ardennes found in the Diluvium of the Netherlands
Koninklijke Nederlandse Akademie van Wetenschappen, vol. 8 II p. 518-535.
07644, .78, .77, 149, Li, Lg, CAMP3, ALL, SYNAM, CALSTAV, MIO, OLIG, EOC, V, TN, CAMB, GEOMOR, PETSE
Document Actions