{{Cite book| edition = Thiry M. & Simon-Coinçon R. (eds)| volume = 25| pages = 87–127| last = Thiry| first = Médard| title = Paleoweathering, Paleosurfaces and Related Continental Deposits. Inter. Ass. Sediment. Special Publications, 27| chapter = Diversity of continental silicification features: examples from the Cenozoic deposits in the Paris Basin and neighbouring basement| date = 1999}}