1. Abrahamsen, U., Uhlen, A.K., Waalen, W., Stabbetorp, H., 2019. Muligheter for økt proteinproduksjon på kornarealene. Jord-og Plantekultur 2019. Forsøk i korn, olje-og proteinvekster, engfrøavl og potet 2018.
2. Animalia, 2020, Kjøttets tilstand 2020. https://www.animalia.no/no/animalia/publikasjoner/kjottets-tilstand/ (accessed December 2020).
3. Life cycle assessment of greenhouse gas emissions from beef production in western Canada: a case study;Beauchemin;Agric. Syst.,2010
4. Options for Ammonia Mitigation: Guidance from the UNECE Task Force on Reactive Nitrogen;Bittman,2014
5. Greenhouse gas emission intensities of grass silage based dairy and beef production: a systems analysis of Norwegian farms;Bonesmo;Livest. Sci.,2013