1. Latvia University of Life Sciences and Technologies, 5 J. Cakstes Blvd.,Faculty of Engineering,Jelgava,Latvia,LV-3001
2. Institute of Power Engineering, Faculty of Electrical and Environmental Engineering, Riga Technical University, 12/1 Azenes Str.,Riga,Latvia,LV-1048
3. Latvian Hydrogen Association Akademijas Laukums 1,Riga,Latvia,LV-1050