1. R&D Consultanta si Servicii, 266-268, Calea Rahovei, 050912 Bucharest, Romania
2. University “Politehnica” of Bucharest, G. Polizu Street 1-7, 011061 Bucharest, Romania
3. Dipartimento
di Chimica and NIS, Università di Torino, via P. Giuria
5, 10125 Torino, Italy
4. Bundesanstalt für Materialforschung und-prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany