Rendu, Jean-Michel An introduction to cut-off grade estimation / Jean-Michel Rendu. - - Littleton, CO : Society for Mining, Metallurgy, and Exploration, 2008. - vi, 106 p. : ill. ISBN: 9780873352680 Subjects--Topical Terms: Ores--GradingOres--Sampling and estimation LC Class. No.: TN 560 REN 2008