PIRA Copyright & Restrictions

All items in the PolyU Institutional Research Archive are protected by copyright, with all rights reserved, unless otherwise indicated. No item in the PIRA may be reproduced for commercial or resale purposes.

For other possible restrictions on use, please refer to the publisher's website where the information is made available, or to statements and notes in the item itself.

If you have reasons to believe that any material held in this archive infringes copyright, please contact library.pira@polyu.edu.hk providing details and we will remove the work from the repository and look into your claim.