1. Vilnius University; Sauletekio al. 9 Vilnius 00122 Lithuania
2. Institute of Physics; University of Silesia; ul. Uniwersytecka 4 Katowice 40-007 Poland
3. Boreskov Institute of Catalysis SB RAS; Lavrentiev Ave. 5 Novosibirsk 630090 Russia
4. National Research Tomsk State University; Lenina Street 36 634050 Tomsk Russia
5. International Technology Center; Raleigh NC 27715 USA