1. K. Jarmai, J. Farkas, P. Visser-Uys, Minimum cost design of welded tubular frames for a special truck, IIW-Doc.XV-1085-WG9-09-01,XV-1085-01 International Institute of Welding Annual Assembly, Ljubjana, 8–11 July 2001, 12 p
2. European Prestandard ENV 1993-1-3 Eurocode 3: Design of steel structures––Part 1–3: General rules––Supplementary rules for cold formed thin gauge members and sheeting, 22, 25–26, 69
3. Fax quotation, Robor Stewardts & Loyds, 2001
4. Cost calculation and optimisation of welded steel structures;Jarmai;J. Constr. Steel Res.,1999
5. Metal and Engineering Industries Bargaining Council, private communication, April 2001