Não informado. (1953). Railway Track and Structures. Simmons Boardman Publishing.
Citace podle Chicago (17th ed.)Não informado. Railway Track and Structures. Bristol, Conn: Simmons Boardman Publishing, 1953.
Citace podle MLA (8th ed.)Não informado. Railway Track and Structures. Simmons Boardman Publishing, 1953.
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