All rights reserved. No part of this publication (printed or electronic) may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the K. Theodosiadis SA, except in the case of brief quotations embodied in critical reviews and certain other noncommercial uses permitted by copyright law. For permission requests, write to the publisher, addressed at the address: K. Theodosiadis SA, Papastratou10 & Chaidariou 13 Str., 18545 Piraeus, Greece, e-mail: [email protected]