GLASS, Challenging. Keynote Speakers. Challenging Glass Conference Proceedings, [S.l.], v. 6, may 2018. ISSN 2589-8019. Available at: <https://journals.open.tudelft.nl/cgc/article/view/2220>. Date accessed: 28 oct. 2020. doi: https://doi.org/10.7480/cgc.6.2220.