1. AD-Regelwerk,1991
2. BS 5500, Specification for unfired fusion welded pressure vessels,1991
3. Syndicat National de la Chaudronnerie, de la Tôlerie et de la Tuyauterie Industrielle;CODAP,1990
4. ASME Code, Section VIII, Division 1 and Section III, Division 1, the American Society of Mechanical Engineers, Washington, DC.
5. ANSYS User's Manual for Revision 5.0,1994