South African Bureau of Standards. Standard specification for softwood studs for timber frames in buildings. South African Bureau of Standards.
Citace podle Chicago (17th ed.)South African Bureau of Standards. Standard Specification for Softwood Studs for Timber Frames in Buildings. South Africa: South African Bureau of Standards.
Citace podle MLA (9th ed.)South African Bureau of Standards. Standard Specification for Softwood Studs for Timber Frames in Buildings. South African Bureau of Standards.
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