@Book{27801917X,
title="Maschineller Tunnelbau im Schildvortrieb",
year="1995",
publisher="Ernst {\&} Sohn",
address="Berlin",
note="Bernhard Maidl; Martin Herrenknecht; Lothar Anheuser",
note="Literaturverz. S. 453 - 461",
isbn="343301275X",
language="German"
}