Methods for Producing Alumina from Clay by Kenneth Keith Kelley, William W. Weller, William H. Eddy, Michael George Zabetakis, John B. Gayle, T. E. Hill, Paul Watson Johnson, Frank A. Peters, Ralph C. Kirby, D. H. Baker, Andrew A. Cochran, Bruce I. Thomas, Charles B. Kenahan, Clark F. Grain, Herbert R. Babitzke, J. G. Donaldson, J. M. Kuchta, J. R. Nettle, John K. Alley, Merle L. Bowser, Raymond P. Maloney, Robert H. Merrill, Robert L. Gall, Robert Wayne Van Dolah, Ronald Barany, William T. Abel, Frank C. Gibson, George Morton Kintz, Haskiel Roy Shell, John H. Holden, P. W. Martin, R. F. Stewart, Robert V. Berryhill, Sotirios Lambiris, James P. McGee, W. L. Falke, W. Marion Baker