From 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Volume 3, Chapter 6, Equation 6.6.
http://www.ipcc-nggip.iges.or.jp/public/2006gl/vol3.html
From 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Volume 3, Chapter 6, Equation 6.6.
http://www.ipcc-nggip.iges.or.jp/public/2006gl/vol3.html