1. Hot spots and heavily dislocated regions in multicrystalline silicon cells, Proceedings of the 21st IEEE Photovoltaic Specialists Conference, Kissimimee, FL, 1990; 800.
2. Imaging the local forward current density of solar cells by dynamical precision contact thermography, Proceedings of the 1st. World Conference on Photovoltaic Energy Conversion, Waikoloa, Hawaii, 1994; 1633-1636.
3. Lock-in contact thermography investigation of lateral electronic inhomogeneities in semiconductor devices
4. Fast shunt hunting in solar cells with highly sensitive lock-in IR-thermography, Proceedings of the 9th Workshop on Crystalline Solar Cell Materials and Processes. Breckenridge, USA, 1999; 198-201.
5. Shunts due to laser cutting of solar cells characterized by highly sensitive lock-in thermography, Technical Digest of the 11th International Photovoltaic Science and Engineering Conference. Sapporo, Japan 1999; 285-286.