Armstrong, F. (1960). The Strength Properties of Timber. Majesty's Stationery Office.
Chicago-čujuhus (17. p.)Armstrong, F.H. The Strength Properties of Timber. London: Majesty's Stationery Office, 1960.
MLA-čujuhus (9. p.)Armstrong, F.H. The Strength Properties of Timber. Majesty's Stationery Office, 1960.
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