Geologie verslag studiereis 6 april 1990 - Jacobs, Patrick (Sint-Lucas architectuur, 1990)
Keywords: bibgeolbel26962; country B; domgeol BRAB3; domgeol SYNAM; domgeol SYNDIN; map.89; map155; map165; map166; strat F; strat HOL; strat MIO; strat NM; strat TN; theme LIVEX

Studiereis geologie 8 april 1990 - Robberechts, Eric (Sint-Lucas architectuur, 1990)
Keywords: bibgeolbel26960; country B; domgeol BRAB3; domgeol SYNAM; domgeol SYNDIN; map.89; map155; map165; map166; strat F; strat MIO; strat NM; strat TN; theme LIVEX

Studiereis geologie 6/4/90 - Walschap, Willem (Sint-Lucas architectuur, 1990)
Keywords: bibgeolbel26961; country B; domgeol BRAB3; domgeol SYNAM; domgeol SYNDIN; map.89; map155; map165; map166; strat F; strat MIO; strat NM; strat TN; theme LIVEX

Structure tectonique du bassin houiller du Hainaut (7 novembre 1995, emend. Avril 1996) - Delmer, A. (eigen uitgave, 1996)
Keywords: Prov Ht; Prov N; bibgeolbel13565; country FR; domgeol SYNAM; map139; map140; map141; map142; map143; map144; map150; map151; map152; map153; map154; map155; strat CARB; strat CRET; strat H; theme KARST; theme TEC