All electronic and hardcopy materials purchased from Direct-Science are Copyright Protected which implies that nobody should copy or distribute any materials marked as (c) Direct-Science.

Each electronic or hardcopy material from Direct-Science will have the following copyright protection description reflected on the index page:



Copyright Protection.



© Direct-Science.

All Rights Reserved worldwide under the Berne Convention.

May not be copied or distributed without prior written permission from Direct-Science.

If you have this file or a printout of it and it is not licensed in your name you are depriving the author and publisher of their rightful royalties.

Please order your legal copy from the publisher at:

science@chemistry-physics.com

http://chemistry-physics.com



Thank you.