Gaylord, E. H., & Gaylord, C. N. (1990). Structural engineering handbook (3rd ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleGaylord, Edwin Henry, and Charles N. Gaylord. Structural Engineering Handbook. 3rd ed. New York: McGraw-Hill, 1990.
Παραπομπή MLAGaylord, Edwin Henry, and Charles N. Gaylord. Structural Engineering Handbook. 3rd ed. New York: McGraw-Hill, 1990.
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