Miscellaneous Notices of Facts, connected with the Mineralogical, Geological and Economical History of the County of Cornwall (12):, I. On Kupfer-Nickel, W Gregor, I: 224-225, 1818.

Gregor, W Rev

Transactions of the Royal Geological Society of Cornwall, Vol 1, p224 - 225

Miscellaneous Notices of Facts, connected with the Mineralogical, Geological and Economical History of the County of Cornwall (12):, I. On Kupfer-Nickel, W Gregor.