7European Gas Pipeline Incident Data Group.Gas Pipeline Incidents[R].Nederlandse Gasunie: 8th Report of the European Gas Pipeline Incident Data Group,2011.
8European Gas Pipeline Incident Data Group.Gas Pipeline lncidents[R].Nederlandse Gasunie: 9th Report of the European Gas Pipeline Incident Data Group,2015.
6The Development and Challenges of Pipeline Failure Analysis in China, International Pipeline Conference September 29-October 3, 2008 Calgary Alberta, Canada.