An Empirically Derived Basis for Calculating the Area, Rate, and Distribution of Water-drop Impingement on Airfoils by United States. National Advisory Committee for Aeronautics, Harvard Lomax, James B. Whitten, Antonio Ferri, Benjamin Milwitzky, P. S. Klebanoff, Dean R. Chapman, Robert L. Halfman, B. Porter Brown, Robert G. Chilton, Louis W. Habel, Norman R. Bregrun, James H. Henderson, Loma Sluder, Louis M. Nucci, William R. Wimbrow, Z. W. Diehl, Mason F. Miller, Robert H. Kester