Tatiya, Ratan
Civil Excavations and Tunnelling- Practical Guide - London Thomas Telford Publishing 2005 - p.322
0727733400
Ground and Rock Fragmentation Shield tunnelling in soft ground Special methods Microtunnelling
624.152 T17C
Civil Excavations and Tunnelling- Practical Guide - London Thomas Telford Publishing 2005 - p.322
0727733400
Ground and Rock Fragmentation Shield tunnelling in soft ground Special methods Microtunnelling
624.152 T17C