1. Erased identification marks;Nickolls,1956
2. Metallurgical aspects of serial number recovery;Polk;AFTE J.,1989
3. Restoration of stamp marks on steel components by etching and magnetic techniques;Turley;J. Forensic Sci.,1987
4. Restoration of serial numbers;Katterwe,2006
5. Restoration of vehicle identification numbers;Kuppuswamy;J. Forensic Ident.,2004