Strengthening of fractured rock pillars by the use of small radial reinforcement pressures /
by B.T. Brady and W.I. Duvall.

APA Citation

Brady, B. T., Duvall, W. I., Denver Mining Research Center (U.S.)., United States. Bureau of Mines. (1973). Strengthening of fractured rock pillars by the use of small radial reinforcement pressures. [Washington, D.C.]: U.S. Dept. of Interior, Bureau of Mines.

MLA Citation

Brady, B. T, Wilbur I Duvall, Denver Mining Research Center (U.S.), and United States. Bureau of Mines. Strengthening of Fractured Rock Pillars by the Use of Small Radial Reinforcement Pressures. [Washington, D.C.]: U.S. Dept. of Interior, Bureau of Mines, 1973.