6Wahem N.Steel industry launches global CO2 emissions data collection programme[EB/OL].(2008-04-15)[2009-8-19].http://www.worldsteel.org/index.php?action=newsdemil & id=238.
7World Steel Association.Nothing is more important than the safety and health of the people who work in the steel industry[EB/OL].(2009-8-24)[2009-11-20].http://www.worldsteel.org/index.php?action=storypages&id=271.
8Eurofer.Eurofer Position Benchmarking System For Steel Industry[EB/OL].(2009-7-30)[2009-8-26].http://www.eurofer.be/index.php/eng/Issues-Positions/Environment/Climate-Change-Eurofer-Position-Benehmarking -System-For-Steel-Industry-30-July-2009.
9Longen H B,Ghenda J T.Aufgaben,Themen,Fakten,2006/07[R/OL].[2009-4-24].http://www.staid-online.de/stahl_zentrum/jahresbericht_2006_2007.pdf.