ArticlesFinding and Processing Minerals Technological Insurance Against Shortages in Minerals and Metals By Ralph C. Kirby, Andrew S. Prokopovitsh See allHide authors and affiliations Science 20 Feb 1976:Vol. 191, Issue 4228, pp. 713-719DOI: 10.1126/science.191.4228.713 Ralph C. Kirby Find this author on Google Scholar Find this author on PubMed Search for this author on this site Andrew S. Prokopovitsh Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Technological Insurance Against Shortages in Minerals and Metals By Ralph C. Kirby, Andrew S. Prokopovitsh Science20 Feb 1976 : 713-719
Technological Insurance Against Shortages in Minerals and Metals By Ralph C. Kirby, Andrew S. Prokopovitsh Science20 Feb 1976 : 713-719