Handbook of tunnel engineering : Volume I, Structures and methods / Bernhard Maidl, Markus Thewes, Ulrich Maidl. [electronic resource] Maidl, Bernhard. Thewes, Markus. Maidl, Ulrich. Tunneling Handbooks, manuals, etc. TF234 .M35 2013eb 624.193 23 Includes bibliographical references and index. Print version record. 2013 Text 1 online resource (485 pages) : http://onlinelibrary.wiley.com/book/10.1002/9783433603499 eng