” Buried Steel Penstocks “

Buried Steel penstocks Second Edition By American Iron and Steel Institute.

Welded Design Theory & Practise

Welded Design Theory & Practise By John Hicks Free For Members

Stiffener Design

Stiffener Design for Beam-to-Column Connections By Michelle L. Holland

AISI 2007

AISI 2007 ( North American Specification for the Design of Cold-Formed Steel Structural Members)