Conditions of use
Material on this site has been given
freely and you may download or print copies of the images and tutorials
without charge for non-profit purposes only.
Acceptable uses include: PowerPoint presentations,
web pages, lectures and academic conference presentations, learning
materials, online tutorials, tests, coursework, student presentations and
Users may not use images or tutorials for commercial or profit-making purposes, e.g. publication in books, journals, or any printed product that is sold for profit; promotional material, commercial web pages, electronic journals or paid consultancy work.
If you want to use any of the material from this site for a purpose not permitted by this agreement, you must contact the Dmitry Rakov directly.
The nternational copyright laws protect material on the site.