@article{KnoblochKatholyOrendietal.1996,
  author    = {Harald Knobloch and Stefan Katholy and H. Orendi and J. Hesse and Ralf Ruhmann and Dietrich Prescher and Ludwig Brehmer},
  title     = {Ellipsometric studies on photochromic ultra thin polymer films},
  year      = {1996},
}