Ellwood, E., & Dale, F. (1957). Tests on the development of clean preservative treatments for crossarms (Progress report no.1) Oil treatments. Forest Products Laboratory.
Citace podle Chicago (17th ed.)Ellwood, E.L, a F.A Dale. Tests on the Development of Clean Preservative Treatments for Crossarms (Progress Report No.1) Oil Treatments. Australlia: Forest Products Laboratory, 1957.
Citace podle MLA (9th ed.)Ellwood, E.L, a F.A Dale. Tests on the Development of Clean Preservative Treatments for Crossarms (Progress Report No.1) Oil Treatments. Forest Products Laboratory, 1957.
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