Scrubbers for Dust Control by Robert S. Kaplan, Roald Edmund Lindstrom, L. A. Neumeier, Victor R. Spironello, Charles W. Huggins, Robert K. Koch, Warren M. Mahan, Michael John Ferrante, R. H. Sprute, D. J. Kelsh, Fred N. Kissell, G. V. Sullivan, John M. Burrus, Edward F. Divers, Claude A. Tongish, William Joseph Campbell, Harold J. Heinen, N. A. Gokcen, Charles Rich, Bruce D. Sartwell, Stephen D. Cramer, G. E. McClelland, C. E. Jordan, Franklin B. W. Woodbury, J. M. Stuve, Jack Touseull, K. O. Bennington, Michael J. Magyar, S. D. Maksimovic, Arthur B. Campbell, Bruce A. Betts, John P. Carter, Ann G. Wylie, Bernard S. Covino, Broderick E. Davis, Harry V. Makar, Robert Lynn Crosby