1. 1) R. J. Eiber, T. A. Bubenik, W. A. Maxey, "Fracture Control Technology for Natural Gas Pipelines", NG-18 Report No. 208, Final Report to Line Pipe Research Supervisory Committee of the Pipeline Research Committee of the American Gas Association, 1993, Project PR-3-9113.
2. 2) W. A. Maxey, "Fracture Initiation, Propagation and Arrest", Paper J Proceedings of 5th Symposium on Line Pipe Reseach, Houston, Texas, AGA, 1974.
3. 3) W. A. Maxey, J. F. Kiefner, R. J. Eiber, "Ductile Fracture Arrest in Gas Pipelines", NG-18 Report No.100 AGA, 1976.
4. 4) H. Mimura, 16th Japan Congress on Material Research, Kyoto, 1972, p.101.
5. 5) L. Barsanti, G. Mannucci, H. G. Hillenbrand, G. Demofonti, D. Harris, "Possible use of New Materials for High Pressure Linepipe Construction: An Opening on X100 Grade Steel", 4th International Pipeline Conference, 2002, p. 287-298.