Elza Vandenabeele, Magda Vantilt, Roland Dreesen, and Sandy Mackowiak (2013)
Geologische fietsroute. Voerstreek - Mergelland
Provincie Limburg, vol. 4 p. 80.
15410, 107, 108, 109, 122, Li, Lg, MEUSE2, QCOVER, SYNAM, 2, 4, PLEIS, CRET, NM, HOL, CARB, FA, LIVEX, PROTEC, PIERRE, CARCR, SON, GEOMOR, HYDRO
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