Website Policy

Content of this website is copyright as indicated. Where copyright applies, visitors can download material for private research, study or in-house use only. Visitors must not copy, distribute or publish any material from this website without proper citation, as advised. Any other use of copyright material requires the formal permission of the author.


Best efforts are always made to ensure that the information appearing on this website is up to date and accurate.

Links are provided for information and convenience only. No responsibility is accepted for the sites linked to, or the information found there. A link does not imply an endorsement of a site; likewise, not linking to a particular site does not imply lack of endorsement.