Copyright notes:

These pages are part of the website todo-claro.com. The use of entire pages, pictures, texts or layouts on web-pages outside todo-claro.com, e.g. in frames, requires explicit written approval by the author. All exercises have been produced by the author himself/herself. All rights reserved. Copying, distribution and use of contents and materials in other media, e.g. on CDs, is subject to written approval by the author.

Disclaimer for linked pages:

No responsibility is taken for information on our web pages.  The contents are subject to errors and change without notice.  We wish to state explicitly that we have no influence on the future design or content of any pages linked to from our site. We can accept no responsibility for the contents of sites linked to from hyperlinks or banners from our site.  The owner of such linked pages is solely responsible for any loss or damage caused by using or not using such information and for any illegal, incomplete or false content.