1. Coal exploration, mine planning, and development /
پدیدآورنده : by Roy D. Merritt.
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Coal mines and mining.,Mineral industries.,Prospecting.,Coal mines and mining.,Mineral industries.,Prospecting.
رده :
TN803
.
M457
1986
