http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Quantitative Analysis of Mineral and Energy Resources
Proceedings of the NATO Advanced Study Institute on Statistical Treatments for Estimation of Mineral and Energy Resources, Il Ciocco, Lucca, Italy, June 22-July 4, 1986
edited by C.F. Chung, A.G. Fabbri, R. Sinding-Larsen.