@article{9b91899af0174fc7a5635204d20c91d1,
title = "Penetration tests for TBMs and their practical application / Penetrationstests f{\"u}r Tunnelbohrmaschinen und deren Anwendung in der Praxis",
author = "Christian Frenzel and Robert Galler and Heiko K{\"a}sling and Marl{\`e}ne Villeneuve",
year = "2012",
month = oct,
day = "1",
doi = "10.1002/geot.201200042",
language = "English",
volume = "2012",
pages = "557--566",
journal = "Geomechanics and tunnelling = Geomechanik und Tunnelbau",
issn = "1865-7389",
publisher = "Ernst \& Sohn",
number = "5",
}