1. The Addition of Feedstock Emission Results to GHGenius;(S&T)2 Consultants Inc.,2010
2. Alberta Canola Production Survey;[AB AFRD] Alberta Agriculture, Food and Rural Development,1993
3. Chapter 11: N2O emissions from managed soils, and CO2 emissions from lime and urea application;[IPCC] Intergovernmental Panel on Climate Change,2006