@article{HennebergGeuePietschetal.2004,
  author    = {Oliver Henneberg and Thomas Geue and Ullrich Pietsch and Bernd Winter},
  title     = {Investigation of azobenzene side group orientation in polymer surface relief gratings by means of photoelectron spectroscopy},
  url       = {http://scitation.aip.org/journals/doc/APPLAB-ft/vol_84/iss_9/1561_1.html},
  year      = {2004},
}