@inproceedings{26a274738dbb48fea05ac20e79451ad3,
title = "Optimization of the Round Length in Design Stage for Tunnel Excavation in Weak Rock",
author = "Young-Zoo Lee and Wulf Schubert and Chang-Yong Kim",
year = "2006",
language = "English",
pages = "118--118",
booktitle = "Rock Mechanics in Underground Construction, Proceedings ISRM International Symposium 2006, 4th Asian Rock Mechanics Symposium, 8-10 November 2006, Singapore",
publisher = "World Scientific",
address = "United States",
note = "ISRM International Symposium ; Conference date: 08-11-2006 Through 10-11-2006",
}