The Call for Papers for the PAA 2013 Annual meeting has been finalized. A PDF version and other instructions can be found at http://paa2013.princeton.edu in the "Reference Documents" section. To see the sessions organized by topics please click on the Sessions by Topic link on the toolbar. The website is now ready to accept submissions of papers and posters for the annual meeting. If you are new to the process, please read the detailed instructions in the first page of the Call for Papers PDF. Submissions can be made online until September 21, 2012. For the full announcement, visit the PAA 2013 Annual Meeting Program.