The Variation in Engine Power with Altitude Determined from Measurements in Flight with a Hub Dynamometer
United States. National Advisory Committee for Aeronautics, Walter S. Diehl, J. W. Crowley, R. H. Heald, Chester W. Hicks, D. H. Strother, Fred E. Weich, G. H. Keulegan, Oscar E. Loeser, W. D. Gove, Donald H. Wood, R. E. Mixson
