To the Editor. Dear Sir, ‘Engineers must bow to facts’ wrote Mr J. S. Shapiro (AIRCRAFT ENGINEERING, Vol. XXIV, No. 286, p. 376, December 1952).
(1954), "Letters to the Editor: Fatigue of Helicopters — Further Evidence on Steel Lugs Authority for Documentation", Aircraft Engineering and Aerospace Technology, Vol. 26 No. 1, pp. 20-20. https://doi.org/10.1108/eb032380
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