1. Norwegian Defence Research Institute FFI Instituttveien 21 Kjeller 2007 Norway
2. Centre for Materials Science and Nanotechnology Department of Chemistry University of Oslo Sem Sælands vei 26 Oslo 0371 Norway
3. TNO Lange Kleiweg 137 2288 GJ, Rijswijk The Netherlands
4. Department of Chemistry Bioscience and Environmental Engineering University of Stavanger Stavanger 4036 Norway
5. CBR Division Defence Science & Technology Laboratory Porton Down Salisbury SP4 0JQ UK