An Improved Method for Evaluating the Incendivity of Explosives to Coal Dust by Robert W. Van Dolah, David E. Wolfson, George W. Birge, Vernon E. Homme, John Nagy, Morton Min Wong, James H. Lynch, Howard E. Powell, Carl Marlow McKinney, Ralph E. Coleman, John S. Howe, Norman E. Hanna, Haruo Katō, Martin Samuel Oudenhoven, George T. Krempasky, George M. Martinez, Jack G. Croeni, Kenneth R. Farley, Donald J. Surincik, Edward P. Ferrero, Heber E. Peterson, John M. Hiegel, Paul A. Richardson, Welton J. Wenger