Whittaker, Barry N.
Tunnelling : design, stability and construction - London The Institution of Mining & Metallurgy 1990 - xi, 460p. : graphs, ill., photos, tables, Index included
187070620X
MINES AND MINING-TUNNELLING
622.23 / W4
Tunnelling : design, stability and construction - London The Institution of Mining & Metallurgy 1990 - xi, 460p. : graphs, ill., photos, tables, Index included
187070620X
MINES AND MINING-TUNNELLING
622.23 / W4