@inproceedings{GoettscheHinschWittwer2013,
  author    = {Joachim G{\"o}ttsche and Andreas Hinsch and Volker Wittwer},
  title     = {Electrochromic and optical properties of mixed WO3-TiO2 thin films produced by sputtering and the sol-gel technique},
  booktitle = {Optical materials technology for energy efficiency and solar energy conversion XI: chromogenics for smart windows : 19 and 21 May 1992, Toulouse-Lab{\`e}ge. (SPIE proceedings series. 1728)},
  editor    = {Anne Hugo-Le Goff},
  pages     = {13 -- 25},
  year      = {2013},
}