Mark A. Pinsky and Samuel Karlin: An Introduction toStochastic Modeling, Fourth Edition (ISBN 978-0-12-381416-6). Original English language edition copyright　2011 by ElsevierInc. All rights reserved. Authorized English language reprint edition published by theProprietor. Copyright　2013 by Elsevier (Singapore) Pte Ltd. Printed in China by China Machine Press under specialarrangement with Elsevier (Singapore) Pte Ltd. This edition isauthorized for sale in China only, excluding Hong Kong SAR, MacauSAR and Taiwan. Unauthorized export of this edition is a violation of theCopyright Act. Violation of this Law is subject to Civil andCriminal Penalties.