Bułgaria
“Plasma technologies and their applications”, Institute of Solid State Physics, Bulgarian Academy of Sciences, Sofia, Prof. Nicola V. Sabotinov
Japonia
“Diagnostics of processes in non-thermal plasmas used for hazardous gaseous pollutants abatement”, Dept. of Electrical & Electronic Eng., Oita University, Oita, Prof. T. Ohkubo