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No part of this publication may be reproduced, stored in a retrieval system or transmitted in
any form or by any means without the prior permission in writing of the OPEC Secretariat, or
as expressly permitted by law, or under terms agreed with the appropriate reprographics rights
organization. Enquiries should be addressed to the Head of PR and Information Department,
OPEC, Helferstorferstrasse 17, Vienna 1010.
© Organization of the Petroleum Exporting Countries, 2013
Second edition
ISBN 978-3-200-02193-8
Designed and illustrated by Michael Haderer, Vienna, Austria
The designation of geographical entities in this book, and the use and presentation of data
and other materials, do not imply the expression of any opinion whatsoever on the part of the
Organization of the Petroleum Exporting Countries (OPEC) and/or its Member Countries
concerning the legal status of any country, territory or area, or of its authorities, or concerning
the exploration, exploitation, refining and utilization of its petroleumor other energy resources.
Printed by Ueberreuter Print GmbH, 2100 Korneuburg, Austria
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