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2. J.R. Williamson, in: N.E. Paton, C.H. Hamilton (Eds.), Aerospace Applications of SPF/DB, Superplastic Forming of Structural Alloys, TMS-AIME, Warrendale, PA, 1982, pp. 291–306.
3. E.D. Weisert, G.W. Stacher, in: N.E. Paton, C.H. Hamilton (Eds.), Concurrent Superplastic Forming/Diffusion Bonding of Titantium, Superplastic Forming of Structural Alloys, TMS-AIME, Warrendale, PA, 1982, pp. 273–289.
4. E.D. Weisert, in: C. Heikkenen, T.R. McNelly (Eds.), Hollow Titanium Turbofan Blades, Superplasticity in Aerospace, TMS-AIME, Warrendale, PA, 1988, pp. 315–330.
5. G.A. Fitzgerald, T. Broughton, The Rolls-Royce wide chord fan blade, First Int. Conf. of the Titanium Development Association, San Francisco, CA, October. 1986.