We are committed to making our Internet documents accessible to people with disabilities. To ensure that we meet or exceed the requirements of Section 508 of the Rehabilitation Act, we continually review our site and modify pages to remove accessibility problems for people with disabilities.
The materials in this historical archive were compiled by scientists and engineers from many countries over many years. Some presentations, abstracts and posters may not be 508 compliant.
If you use special adaptive equipment to access the Web and encounter problems when using our site, please contact us and we will attempt to provide the information to you in a suitable format. It would be helpful if you can be as specific as possible when describing the information you seek (the URL or Web address of the material you tried to access, the problem you experienced, and your contact information).
Adobe Reader for PDF files: In order to view and print the PDF files on this website, you will need the Adobe Reader. If you do not already have it, you may download the Adobe Reader from Adobe's website at no charge. Adobe also provides online tools and support for users with disabilities.
Reader for Microsoft PowerPoint Files: Some files are in the Microsoft PowerPoint format and you will need this free PowerPoint Reader to view them. Microsoft also supplies accessibility support.