© The Author(s) (published by Blucher Proceedings) Posted on October 21, 2014 by SCG DR Copyright Holders: © The Author(s) (published by Blucher Proceedings) a Self-archiving policy Conditions Accepted version: √ Open Access Proceeding Published version: √ Open Access Proceeding Remarks: Benefits for your event: * Free access for all users. * Authors retiain full copyright to articles published on Blucher Proceedings. Verification Date: 20.10.2014