Author Affiliations +
V. Heikkinen,1 C. Barbeau,2 I. Kassamakov,1,3 S. Lehto,4 T. Reinikainen,4 J. Aaltonen,3 E. Hæggström1
1Univ. of Helsinki (Finland)
2Forensic Technology Inc. (Canada)
3Helsinki Institute of Physics (Finland)
4National Bureau of Investigation (Finland)