@article{FritzSchoenhalsSapichetal.1998,
  author    = {Fritz, A. and Sch{\"o}nhals, A. and Sapich, B. and Rutloh, M. and Stumpe, Joachim},
  title     = {Dynamical and photochemical behavior of Amorphous copolymers containing photochromic azobenzene side groups},
  year      = {1998},
  language  = {en}
}
@article{HaferkornSapichStumpeetal.1998,
  author    = {Haferkorn, J. and Sapich, B. and Stumpe, Joachim and Sch{\"o}nhals, A.},
  title     = {Photochemical modification of the dynamic behavior of Liquid Crystals.},
  year      = {1998},
  language  = {en}
}