Analysis of information sources in references of the Wikipedia article "Lunar resources" in English language version.
MoonEx's machines are designed to look for materials that are scarce on Earth but found in everything from a Toyota Prius car battery to guidance systems on cruise missiles.
Resolution 34/68 Adopted by the United Nations General Assembly. 89th plenary meeting; 5 December 1979.
However, in contrast to ordinary base and precious metals, REE have very little tendency to become concentrated in exploitable ore deposits. Consequently, most of the world's supply of REE comes from only a handful of sources.