http://www.sign.ac.uk/pdf/sign97.pdf

Article submitted by Archie Telbin at 16:50, Fri 6 Jul 2007
http://www.sign.ac.uk/pdf/sign97.pdf

Conflict of Interests - none

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    Submitted by Archie Telbin at 16:50, Fri 6 Jul 2007

    Conflict of Interests - None