B. L. Hewitt (Hewitt, B. L.)

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  Comparison of Three Methods for the Evaluation of Subsonic Lifting-Surface Theory
  by B. L. Hewitt, Henry Clifford Garner, T. E. Labrujere
  Hardcover, H.M.S.O., ISBN 0114701989 (0-11-470198-9)
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  Computational Methods & Problems in Aeronautical Fluid Dynamics: Proceedings of a Conference Held at the University of Manchester in September 1974
  by Institute of Mathematics and Its Applications, B. L. Hewitt
  Hardcover, Academic Pr, ISBN 0123463505 (0-12-346350-5)