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

Advanced rock properties. Project VLA/86-5.1.1. - Litton, Core Lab (Core Laboratories, 1990)
Keywords: Prov Ht; Prov Li; Prov VB; bibgeolbel14372; country B; domgeol CALBRAB; domgeol CAMP2; domgeol SYNAM; map.47; map101; map139; strat CAMB; strat CRET; strat NM; theme PHYSGR

Interpretatie der boorgatmetingen in de boringen Halen (KB 131) en Geverik-1 (NL Limburg, gem. Beek) - Dusar, M. (Service géologique de Belgique / Belgische Geologische Dienst, 1990)
Keywords: Prov Li; bibgeolbel04107; country NL; domgeol VARCAMP; map.76; map.79; strat CARB; strat H; strat NM; strat V; theme SON; theme STRA