ACHRE - Radioisotopes: What Are They and How Are They Made? -
"Radioisotopes: What Are They and How Are They Made?" ACHRE, 20 July 2014. Web. 10 Mar. 2015. <https://bioethicsarchive.georgetown.edu/achre/final/intro_9_4.html>.
ANSTO - Production and Decay of Radioisotopes -
"Production and Decay of Radioisotopes." Production and Decay of Radioisotopes (n.d.): n. pag. Australian Nuclear Science and Technology Organisation. ANSTO, 2 Nov. 2011. Web. 10 Mar. 2015. <http://ansto.gov.au/__data/assets/pdf_file/0004/63229/Production_and_Decay_of_Radioisotopes.pdf>.
ANSTO - Radioisotopes -
Switkowski, Ziggy. "Using Radioisotopes." Using Radioisotopes. ANSTO, n.d. Web. 11 Mar. 2015. <http://www.ansto.gov.au/NuclearFacts/AboutNuclearScience/Radioisotopes/UsingRadioisotopes/index.htm>.
ANSTO - Using Isotopes -
http://www.ansto.gov.au/NuclearFacts/AboutNuclearScience/Radioisotopes/UsingRadioisotopes/index.htm
US Environmental Protection Agency - Why are some atoms radioactive? -
"Why Are Some Atoms Radioactive?" EPA. Environmental Protection Agency, 26 July 2012. Web. 10 Mar. 2015. <http://www.epa.gov/radiation/understand/radiation.html>.