Advances in rock mechanics proceedings of the Third Congress of the International Society for Rock Mechanics, held in Denver, Colorado, September 1-7, 1974
Congress of the International Society for Rock Mechanics (3rd 1974 Denver, Colorado) National Academy of Sciences (U.S.)
Washington National Academy of Sciences 1979
Available at
EPBC - Esc. Politécnica-Bib Central
(624.121 In8p 3. v.2 p.B ) and other locations(GetIt)