@conference{1352,
  author = {W. Adams and K. Perkins and Michael Dubson and Noah Finkelstein and Carl Wieman},
  title = {AIP Conference Proceedings: The Design and Validation of the Colorado Learning Attitudes about Science Survey},
  year = {2005},
  publisher = {AIP},
  address = {Sacramento, California (USA)},
  url = {http://phet.colorado.edu/publications/Adams-PERC-2004.pdf},
  doi = {10.1063/1.2084697},
}