First published in 1985
byBasil Blackwell

This edition first published in 2011 by Routledge
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Simultaneously published in the USA and Canada
by Routledge
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© 1985 Andrew M. Pettigrew

All rights reserved. No part of this book may be reprinted or reproduced or utilised in
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Publisher’s Note
The publisher has gone to great lengths to ensure the quality of this reprint but points
out that some imperfections in the original copies may be apparent.

Disclaimer
The publisher has made every effort to trace copyright holders and welcomes
correspondence from those they have been unable to contact.

A Library of Congress record exists under ISBN: 0631133569

ISBN 13: 978-0-415-61994-3 (hbk)
ISBN 13: 978-0-203-81626-4 (ebk)