ebrary, Inc, & Hagy, F. H. (2009). Structural materials and engineering. Nova Science Publishers.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Ference H. Hagy. Structural Materials and Engineering. New York: Nova Science Publishers, 2009.
Lua MLA (9ú heag.)ebrary, Inc, agus Ference H. Hagy. Structural Materials and Engineering. Nova Science Publishers, 2009.
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