1. Israel Police National H.Q., Division of Identification and Forensic Science (DIFS), Jerusalem, IL, 91906.
2. Casali Institute of Applied Chemistry, The Hebrew University, Jerusalem, 91904, IL.
3. Fingerprint Research Group, Police Scientific Development Branch, Home Office, Woodcock Hill, Sandridge, St. Albans AL4 9HQ, GB.
4. Visiting scientist, DIFS, Israel Police, US.