1. The problem of establishing the sequence of superimposed lines;Mathyer;Int. Crim. Police Rev.,1980
2. The problem of establishing the sequence of superimposed lines;Mathyer;Int. Crim. Police Rev.,1981
3. A lifting process for determining the writing sequences of two intersecting ball-point pen strokes;Igoe;Forensic Sci. Int.,1982
4. Recent developments in writing sequence determination;Godown;Forensic Sci. Int.,1982
5. The examination of documents by SEM and x-ray spectrometry;Nolan;Scanning Electron Microsc.,1982