1. German participation in the Grimsel Underground Rock Laboratory in Switzerland - Targets and methods of in-situ experiments in granite for radioactive waste disposal;Brewitz,1986
2. Results of engineering geological research in granite;Pahl;Bull. Int. Ass. Eng. Geol.,1986
3. Rahmenprogramm und Statusbericht;NAGRA;NTB 85-34,1985
4. Stress measurements at the Grimsel Rock Laboratory;Pahl;Geol. Jb. C.,1986
5. Gebirgsspannungen im Granit - Untersuchungsmethoden für tiefe Bohrungen;Pahl,1986