1. Institute de Radioprotection et de Surete Nucleaire IRSN, Radionuclide fact sheet—Carbon-14 and the environment.
http://www.irsn.fr/EN/Research/publications-documentation/radionuclides-sheets/environment/Pages/carbon14-environment.aspx
. Accessed 22 May 2017
2. Kotzer TG, Watson WL (1999) Spatial and temporal distribution of 14C in cellulose in tree rings in Central and Eastern Canada: comparison with long-term atmospheric and environmental data, AECL-12002
3. Shuhang Wu (2017) Variation of atmospheric 14CO2 and its spatial distribution. J Environ Radioact 169–170:116–121
4. Salonen L, Kaihola L, Carter B, Cook GT, Passo CJ (2012) In: L’Annunziata MF (ed.) Handbook of radioactivity analysis, 3rd edn. Elsevier, Amsterdam
5. Kristof R, Kozar Logar J (2013) Direct LSC method for measurements of biofuels in fuel. Talanta 111:183–188