Disclaimer Whilst every effort is made to keep these Web pages up to date and accurate, we offer no guarantees about the information contained in them. They are not to be interpreted as legal documents. The content of these pages originated by University of Aberdeen staff is copyright and may not be used for commercial purposes without permission. If you propose to act on any of this information (other than addresses, e-mail etc.) we would ask you to get in touch with the Department of Physics first. Any views expressed in these pages are those of the Department of Physics and need not represent the views of the University of Aberdeen. Page designed by Jan Skakle j.skakle@abdn.ac.uk Last updated 21st July 2004