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To help you nagivate around the pages in this document, links have been coded. Unadorned links point to other places in this same document. Links away from this document have been coded with a small coloured block, and indicate how far they are from this page, based on their URL, ranging from links to other pages on this same server, to links elsewhere in the world. This is as follows:

linktext : www.astro.gla.ac.uk
linktext : .uk
linktext : elsewhere

Remember that this is intended to hint at the context of this document - unless you are rather close to this server, this might not give you much information about how far the documents are from you.

End

Norman
1 January 2001