APA-čujuhus (7. p.)
Theory of modern steel structues / Grinter, Linton E: The Macmillon Company.
Chicago-čujuhus (17. p.)
Theory of Modern Steel Structues / Grinter, Linton E: The Macmillon Company.
MLA-čujuhus (9. p.)
Theory of Modern Steel Structues / Grinter, Linton E: The Macmillon Company.
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