Society for Mining, Metallurgy, and Exploration (U.S.), ebrary, Inc, & Lowrie, R. L. (2002). SME mining reference handbook. Society for Mining, Metallurgy, and Exploration.
Dyfyniad Arddull ChicagoSociety for Mining, Metallurgy, and Exploration (U.S.), Inc ebrary, and Raymond L. Lowrie. SME Mining Reference Handbook. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 2002.
Dyfyniad MLASociety for Mining, Metallurgy, and Exploration (U.S.), et al. SME Mining Reference Handbook. Society for Mining, Metallurgy, and Exploration, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.