ASCE Standard. (1999). Specifications for structural steel beams with web openings. Estados Unidos: American Society of Civil Engineering.
Citación estilo ChicagoASCE Standard. Specifications for Structural Steel Beams With Web Openings. Estados Unidos: American Society of Civil Engineering, 1999.
Cita MLAASCE Standard. Specifications for Structural Steel Beams With Web Openings. Estados Unidos: American Society of Civil Engineering, 1999.
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