Gibbs-Smith, C. (1975). Early flying machines 1799-1909. Eyre Methuen.
Chicago Edition CitationGibbs-Smith, Charles. Early Flying Machines 1799-1909. London: Eyre Methuen, 1975.
Deismireacht MLAGibbs-Smith, Charles. Early Flying Machines 1799-1909. Eyre Methuen, 1975.
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