- Contributions of ferric iron to the color in beryl (2006)
- Transition metal ions in natural blue, green and colorless rare gem mineral euclase studied by electron paramagnetic resonance (2006)
- ABOUT THE COLOR IN NATURAL, GAMMA AND NEUTRON IRRADIATED SPODUMENE (2004)
- PINK TOURMALINE STUDIED BY OPTICAL DETECTION OF MAGNETIC RESONANCE (2004)
- Sorption Sites in Dried Leaves (1999)