U.S. Environmental Protection Agency Science Advisory Board 2012: SAB Review of EPA’s Accounting Framework for Biogenic CO2 Emissions from Stationary Sources (September 2011). EPA-SAB-12-011, <http://yosemite.epa.gov/sab/sabproduct.nsf/0/57B7A4F1987D7F7385257A87007977F6/$File/EPA-SAB-12-011-unsigned.pdf>