TY - BOOK AU - Maidl,Bernhard AU - Wehrmeyer,Gerhard AU - Derbort,Marcus TI - Hardrock tunnel boring machines SN - 9783433600122 AV - TA815 .H37 2008 PY - 2008/// CY - Berlin PB - Ernst & Sohn KW - Tunneling KW - Equipment and supplies KW - Drilling and boring machinery KW - Electronic books N1 - Elektronik kitap; Includes bibliographical references (pages [327]-336) and index UR - http://onlinelibrary.wiley.com/book/10.1002/9783433600122 ER -