In addition, you should stay informed on developments and updates to these guidelines and relevant decisions of the COP.

• UNFCCC Secretariat in Bonn (COP decisions, guidelines for the review, CRF tables, review reports, etc.) http://unfccc.int
  
• IGES in Japan: Revised 1996 IPCC Guidelines http://www.ipcc-nggip.iges.or.jp/public/gl/invs1.htm
  
• IGES in Japan: IPCC Good Practice Guidance http://www.ipcc-nggip.iges.or.jp/public/gp/gpgaum.htm
  
• IGES in Japan: IPCC Emission Factor Database (EFDB) http://www.ipcc-nggip.iges.or.jp/EFDB/main.php
  
• International Energy Agency: National energy statistics http://www.iea.org

You can also refer to any of the references at the end of the Energy Sector chapter of the Revised 1996 IPCC Guidelines and IPCC Good Practice Guidance.