Copyright

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      Copyright © Francis Pryor 2001

      Francis Pryor asserts the moral right to be identified as the author of this work

      A catalogue record for this book is available from the British Library

      Maps and diagrams by Leslie Robinson and Rex Nicholls

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      Source ISBN: 9780007101924

      Ebook Edition © JUNE 2012 ISBN: 9780007380824

      Version: 2016-09-15

      To the memory

      of my father-in-law,

      DAVID SMITH