Columbia subject headings:
Archaeological geology--Belgium--Zonhoven.
Excavations (Archaeology)--Belgium--Zonhoven.
Paleolithic period--Belgium--Zonhoven.
Zonhoven (Belgium)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Belgium--Zonhoven.
Paleolithic period--Belgium--Zonhoven.
Zonhoven (Belgium)--Antiquities.
Princeton subject headings:
Archaeological geology--Belgium--Zonhoven.
Excavations (Archaeology)--Belgium--Zonhoven.
Paleolithic period--Belgium--Zonhoven.
Zonhoven (Belgium)--Antiquities.