1. The coloring of diamond by radium radiation;Lind;Am. Mineral.,1923
2. Internal radioactive haloes in diamond;Mendelssohn;Diam. Res.,1979
3. HPHT-treated Diamonds: Diamonds Forever;Dobrinets,2013
4. Radio-colouration of diamond: a spectroscopic study;Nasdala;Contrib. Mineral. Petrol.,2013
5. Optical Properties of Diamond;Zaitsev,2003