This PDF file contains the front matter associated with SPIE
Proceedings Volume 6986, including the Title Page, Copyright
information, Table of Contents, Introduction, and the
Conference Committee listing.
"Front Matter: Volume 6986", Proc. SPIE 6986, Extremely Large Telescopes: Which Wavelengths? Retirement Symposium for Arne Ardeberg, 698601 (24 April 2008); doi: 10.1117/12.801782; https://doi.org/10.1117/12.801782