KNAACK, Ulrich; KLEIN, Tillmann. Preface. Journal of Facade Design and Engineering, [S.l.], v. 1, n. 1-2, p. 1-1, july 2013. ISSN 2213-3038. Available at: <https://journals.library.tudelft.nl/index.php/jfde/article/view/643>. Date accessed: 23 may 2019. doi: https://doi.org/10.7480/jfde.2013.1-2.643.