Não informado. (1934). Highways, Bridges and Engineering Works. IPC Building and Contract Journals.
Citace podle Chicago (17th ed.)Não informado. Highways, Bridges and Engineering Works. London: IPC Building and Contract Journals, 1934.
Citace podle MLA (8th ed.)Não informado. Highways, Bridges and Engineering Works. IPC Building and Contract Journals, 1934.
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