Copyright ® 2012 by xxx/INPE. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, eletronic, mechanical, photocopying, recording, microfilming, or otherwise, without written permission from INPE, with the exception of any material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use of the reader of the work.