Name	Info	Provider	Link
	free resource	Atypon	https://royalsocietypublishing.org/doi/abs/10.1098/rsta.2008.0175?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Minerals	free resource	MedlinePlus Health Information	https://medlineplus.gov/minerals.html
Full text from	free resource	CORE	https://core.ac.uk/reader/51376460?utm_source=linkout