FELDER, P. J.; RADEMAKERS, P. Cor M.; GROOTH, Marjorie E.Th. de (HRSG.). Excavations of Prehistoric Flint Mines at Rijckholt-St. Geertruid (Limburg, The Netherlands) by the ’Prehistoric Flint Mines Working Group’ of the Dutch Geological Society, Limburg Section. Heidelberg: Propylaeum,2017. DOI: 10.11588/propylaeum.219.289 . Disponível em: https://books.ub.uni-heidelberg.de/propylaeum/catalog/book/219.. Acesso em: 15 juli. 2024.