Taylor, P. D., 2017, Fake fossils by the hundred-the story of Johann
Beringer's 'lying-stones.' Deposits Magazine. 52: 38-41 (November)
PDF at:
https://www.researchgate.net/publication/321309341_Fake_fossils_by_the_hundred-the_story_of_Johann_Beringer's_'lying-stones'
Web article at:
https://depositsmag.com/2018/03/29/fake-fossils-by-the-hundred-the-story-of-johann-beringers-lying-stones/
The Lying Stones of Dr. Beringer
http://hoaxes.org/archive/permalink/the_lying_stones_of_dr._beringer
Yours,
Paul H.