Links to PDF files

You wanted to open a PDF file?
Presumably, you followed a link to a PDF file, which didn't originate from ift's homepage.

You wish to download your purchased literature?
Please, log on to the ift web site, with the correct user ID, with which you also purchased the product. Afterwards you can re-open the PDF file.
To proceed you need to accept cookies from the ift web site.


Why do we prevent direct links to PDF files?
When we update our PDFs, their names change automatically. Unfortunately, it happens very often, that links connect directly to PDFs in emails or other web sites, which then won't work properly anymore. To ensure the functionality of these links, we prevent direct links to our PDFs.


As a webmaster, what am I supposed to do?
Please, make sure that you set up links exclusively to those pages of our web site, on which you found the PDF, you wish to recommend. Changes of a file name on a sub-page of a web site are less likely than name changes of a PDF file.