Books by Leroy L. Presley:
Books in the extended shelves:
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Presley, Leroy L. (Leroy Lawrence): Experimental determination of the recovery factor and analytical solution of the conical flow field for a 20 ̊included angle cone at Mach numbers of 4.6 and 6.0 and stagnation temperatures to 2600 ̊R (National Aeronautics and Space Administration, 1961), also by Frank A. Pfyl and Ames Research Center (page images at HathiTrust)
Find more by Leroy L. Presley at your library, or elsewhere.