1. X-RAY FLUORESCENT ANALYSIS IN ARCHAEOLOGY: THE?MILLIPROBE?
2. J. P. Bushe-Fox , 1915 , Excavations at Hengistbury Head, Hampshire, in 1911-12 , Research Committee of the Society of Antiquities of London, Report No. III.
3. A. Gordus , 1968 , Activation analysis, artefacts and art , New Scientist17 October, pp.128 -131 .
4. T. Haevernick , 1960 , Die Glasarmringe und Ringperlen der Mittel-und Spatlatenezeit auf dem Europaischen Festland, Bonn.