1. Distribution of absorbed energy from a point beta source in a tissue-equivalent medium;Bochkarev;International Journal of Applied Radiation and Isotopes,1972
2. Cassini probe. 32.8kg of plutonium-238 was used in the Cassini probe which produced 630Watts. Since the thermal heat of plutonium-238 is 0.55W/gram, the electric generator is about 4% efficient, 2008. URL: 〈http://en.wikipedia.org/wiki/Cassini_probe〉.
3. Ceramtec North America Corporation, 2003–2007. URL: 〈http://www2.ceramtec.com/Index_Flash.cfm〉.
4. Radioactive materials, ionizing radiation sources, and radioluminescent light sources for nuclear batteries;Kavetsky,2002
5. Tritium-charged capacitor;Kavetsky;Nuclear Science and Engineering,2008