1. On the stimulation of a geothermal reservoir by downward hydraulic fracturing;Abou-Sayed,1977
2. Experimental fracture mechanics data for rocks and minerals;Atkinson,1987
3. Evolution of polygonal fracture patterns in lava flows;Aydin;Science,1988
4. Surface morphology on cross-fold joints of the Appalachian Plateau, New York and Pennsylvania;Bahat;Tectonophysics,1984
5. Uber Klufte I. Beobachtungen im thüringischen schiefergebirge;Bankwitz;Geologie,1965