1
Critical metals handbook /
Book
Gunn, Gus
2014
...GWB - Raw materials - metals, nonmetals...
Table of Contents 
2
Die Welt der Metalle. 1. Kupfer : Geographie, Bergbau, Verhüttung, Handel.
Book
1993
...GWB - Raw materials - metals, nonmetals...
3
Industrial minerals and rocks.
Book
...GWB - Raw materials - metals, nonmetals...