1. Load and Resistance Factor Design (LRFD) Cold-formed steel design manual,1991
2. Cold formed steel structural members,1991
3. Eurocode 3 Design of steel structures, Part 1.3 Cold formed thin gauge members and sheetings,1992
4. Transversally loaded thin-walled C-shaped panels with intermediate stiffeners;König,1978
5. Design of trapezoidal sheeting provided with stiffeners in the flanges and webs;Höglund,1980