Focal Press
An imprint of Elsevier
Linacre House, Jordan Hill, Oxford OX2 8DP
30 Corporate Drive, Burlington MA 01803
First published 1999
Reprinted 2000
Second edition 2001
Reprinted 2003 (twice)
Third edition 2005
Copyright © 2005, John Child. All rights reserved
The right of John Child to be identifi ed as the author of this work has been asserted in accordance with the Copyright, Designs and Patents Act 1988
No part of this publication may be reproduced in any material form (including photocopying or storing in any medium by electronic means and whether or not transiently or incidentally to some other use of this publication) without the written permission of the copyright holder except in accordance with the provisions of the Copyright, ...