1. Behaviour of line pipe with long external corrosion;Mok;Material Performance,1990
2. Corroded pipe: strength and repair methods;Kiefner,1974
3. American Gas Association, NG-18 Committee on Line Pipe, Arlington, Virginia.
4. CAN3-Z245-M86, Steel Line Pipe, Canadian Standards Association, Rexdale, Ontario.
5. Hibbitt, Karlsson & Sorenson, ABAQUS User's Manual, Hibbitt, Karlsson & Sorenson, Inc., Rhode Island.