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B Hegner

Publications and source records attributed to B Hegner.

4 recordsLinked to original sources

[Script crossing in scanning electron microscopy].

A case of mixed script in which ball point-pen ink was contaminated with typewriting prompted a survey of the literature and a systematic SEM study of mixed script with various writing instruments or inks. Mixed scripts produced with the following instruments or inks were investigated: pencil, ink/India ink, ball-pint pen, felt-tip pen, copied script and typewriter. This investigation showed SEM to be the method of choice for visualizing overlying scripts produced by different writing instruments or inks.

Crime

[Scanning electron microscopy studies for the analysis of mixed script].

Mixed script is a criminalistic problem which--though it is described in different papers--is not systematically investigated. We, therefore, analyzed the mixed script produced by different instruments by SEM: pencil, ink/India ink, ball point pen, felt-tip pen, copied scripts and typewriter. The significance of REM investigations in mixed scripts is stressed.

Crime