Troitsky, M. (1990). Prestessed Steel Bridges Theory And Design. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)Troitsky, MS. Prestessed Steel Bridges Theory And Design. Van Nostrand Reinhold, 1990.
Lua MLA (8ú heag.)Troitsky, MS. Prestessed Steel Bridges Theory And Design. Van Nostrand Reinhold, 1990.
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