Published by Woodhead Publishing Limited Abington Hall, Abington Cambridge CBl 6AH England Published in North America by CRC Press LLC 000 Corporate Blvd, Nw Boca Raton Fl 33431 USA First published 2002, Woodhead Publishing Limited and CRC Press LLC C 2002, Woodhead Publishing Limited The authors have asserted their moral rights This book contains information obtained from authentic and highly regarded sources Reprinted material is quoted with permission, and sources are indicated Reasonable efforts have been made to publish reliable data and information, but the authors and publishers cannot assume responsibility for the validity of all materials. Neither the authors nor the publishers, nor anyone else associated with this publication, shall be liable for any loss, damage or liability directly or indirectly caused or alleged to be caused by this bool Neither this book nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, microfilming and recording, or by any information storage or retrieval system, without permission in writing from the publishers. The consent of woodhead Publishing limited and CRc Press llc does not extend copying for general distribution, for promotion, for creating new works, or for sale. Specific permission must be obtained in writing from Woodhead Publishing Limited or CRC Press LLC for such copying Trademark notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation, without intent to ish Library Cataloguing in Publication Data atalogue record for this book is available from the British Library Library of Congress Cataloging-in-Publication Data oodhead Publishing Limited IsBn 1 85573 585 7(book); 1 85573 6683(e-book) CRC Press IsBN 0-8493-1537-9 CRC Press order number: WP1537 Cover design by Martin Tacchi Project managed by Macfarlane Production Services, Markyate, Hertfordshire (e-mail:macfarl@aol.com) Typeset by MHL Typesetting Limited, Coventry, Warwickshir Printed by TJ International, Padstow, Cornwall, EnglandPublished by Woodhead Publishing Limited Abington Hall, Abington Cambridge CB1 6AH England www.woodhead-publishing.com Published in North America by CRC Press LLC 2000 Corporate Blvd, NW Boca Raton FL 33431 USA First published 2002, Woodhead Publishing Limited and CRC Press LLC ß 2002, Woodhead Publishing Limited The authors have asserted their moral rights. This book contains information obtained from authentic and highly regarded sources. Reprinted material is quoted with permission, and sources are indicated. Reasonable efforts have been made to publish reliable data and information, but the authors and the publishers cannot assume responsibility for the validity of all materials. Neither the authors nor the publishers, nor anyone else associated with this publication, shall be liable for any loss, damage or liability directly or indirectly caused or alleged to be caused by this book. Neither this book nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, microfilming and recording, or by any information storage or retrieval system, without permission in writing from the publishers. The consent of Woodhead Publishing Limited and CRC Press LLC does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific permission must be obtained in writing from Woodhead Publishing Limited or CRC Press LLC for such copying. Trademark notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation, without intent to infringe. British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library. Library of Congress Cataloging-in-Publication Data A catalog record for this book is available from the Library of Congress. Woodhead Publishing Limited ISBN 1 85573 585 7 (book); 1 85573 668 3 (e-book) CRC Press ISBN 0-8493-1537-9 CRC Press order number: WP1537 Cover design by Martin Tacchi Project managed by Macfarlane Production Services, Markyate, Hertfordshire (e-mail: macfarl@aol.com) Typeset by MHL Typesetting Limited, Coventry, Warwickshire Printed by TJ International, Padstow, Cornwall, England