Energy resources and excavation technology : proceedings : 18th U.S. Symposium on Rock Mechanics, held at Keystone, Colorado, June 22-24, 1977 /
MARC全文
02h0121248 016032s2016 enka b 00000 eng d (精装): RMB.00 eng a Energy resources and excavation technology : proceedings : 18th U.S. Symposium on Rock Mechanics, held at Keystone, Colorado, June 22-24, 1977 / ed. by Fun-Den Wang & George B. Clark ; sponsored by Colorado School of Mines, ect. revised by Golden Colorado School of Mines Press 1977 various pagings : ill. ; ISSN; . no. aCN b010001 010001 p ; rCNY.00 ; h1