![Influence of microstructure on fracture propagation in rock : Hoagland, RG Columbus Labs. Columbus, Ohio, USA Hahn, GT Columbus Labs. Columbus, Ohio, USA Rosenfield, AR Columbus Labs. Columbus, Ohio, USA 14F, 4T, 24R. ROCK MECHANICS, V5, N2, 1973, P77–106]()
Influence of microstructure on fracture propagation in rock : Hoagland, RG Columbus Labs. Columbus, Ohio, USA Hahn, GT Columbus Labs. Columbus, Ohio, USA Rosenfield, AR Columbus Labs. Columbus, Ohio, USA 14F, 4T, 24R. ROCK MECHANICS, V5, N2, 1973, P77–1061974