Tunnelling : Proceedings of the international symposium.-]1st[)76(
London
Institution of Mining and Metalurgy
1976
V.:ill.;31
Proceedings of an International symposium, Organized by the Institution of mining and Metallurgy, with the cooperation of the British Tunnelling society, the Institute of mining Engineers, and the Transport and road Research laboratory, held in Lon
Bibliography: Includes bibliographical references and indexes