Sax, Margaret et al (2008). The Origins of Two Purportedly
Pre-Columbian Mexican Crystal Skulls. Journal of Archaeological
Science, 35(10), 2751-2760.
Preprint PDF:
[
priory-of-sion.com]
[
www.researchgate.net]
[
www.semanticscholar.org]
Calligaro, T., Coquinot, Y., Reiche, I., Castaing, J., Salomon,
J., Ferrand, G. and Le Fur, Y., 2009. Dating study of two rock
crystal carvings by surface microtopography and by ion beam
analyses of hydrogen. Applied Physics A, 94(4), pp.871-878.
PDF files:
[
citeseerx.ist.psu.edu]
[
www.researchgate.net]
Crystal Skulls: A Little Clarity
December 2, 2016 Carl Feagans Pseudoarchaeology
[
ahotcupofjoe.net]
Yours,
Paul H.
"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)