INTERNATIONAL SYMPOSIUM ON TUNNELLING '85 (4th : Brighton : 1985
Tunnelling '85 - London Institute of Mining & Metallurgy 1985 - xxv, 342p. : ill., photos
0900488832
624.19 / I6
Tunnelling '85 - London Institute of Mining & Metallurgy 1985 - xxv, 342p. : ill., photos
0900488832
624.19 / I6