TY  - BOOK
AU  - Bernhard, Maidl
AU  - Markus, Thewes
AU  - Ulrich, Maidl
TI  - Handbook of tunnel engineering 1
SN  - 9783433030486
PY  - 2013///
CY  - Germany
PB  - Wilhelm Ernst & Sohn
KW  - Timbering, steel ribs, lattice beam elements, rock bolts, shotcrete tunnelling, blastingmecanised tunnelling, ventilation dring the construction phase
ER  -