the url for the report above is
ftp://reports-ftp.cs.strath.ac.uk/research-reports/rr-168-94.ps.Z
It is a compressed postscript document, should be viewable
under netscape if you have ghostscript running, otherwise
ftp it and print to a postscript printer ( Apple laser writer
is a typical one, but most good HP printers handle it as well ).