1. Standsicherheit and Bau von Kavernen in Abhängigkeit von den geologischen Bedingungen;Müller-Salzburg,1982
2. Grimsel Test Site, Overview and Test Programs;Lieb,1985
3. Le rôle des mesures et auscultations dans la construction souterraine;Egger;Doc. SIA No 12,1976
4. Monitoring system for large underground openings - Experiences from the Grimsel-Oberaar scheme;Descoeudres,1977
5. Evaluation of excavation-induced changes in rock permeability;Kelsall;Int. J. Rock Mech. Min. Sci.,1984