The Proceedings – Volume 44 in the STUVA book series “Research + Practice, Underground Transportation and Underground Construction” – with the long versions of all lectures (each in their original language as presented - German or English with summaries in the other language) were published to mark the Conference and were issued to all participants. Further copies are available via the book trade or directly from the publisher (Bauverlag BV GmbH, Profil – die Versandbuchhandlung, Avenwedder Str. 55, 33311 Gütersloh; 316 pp., 365 Ills. and Tables mostly in colour, Format DIN A4, limpbound, ISBN 978-3-7625-3646-8, Price € 50.00