The contents of this web site and all original works are copyright ©2004-19 S J Roberts, all rights reserved.
Unless otherwise stated, the material on this site may not be reproduced, distributed, transmitted or otherwise used without permission.
The files, documents, handouts, etc. on the downloads page can be freely downloaded/printed/used and without specific permission for your personal use only, but please remember to acknowledge the orginal source of any information you may use.
If you want to distribute, reproduce or make use of any other material or images for any other purpose, please ask our permission (click here to contact me). If it is for academic or non-profit use I'll most likely say yes as long as you agree to give an appropriate credit; for commercial use I'll most likely expect some compensation as well as an appropriate credit.