4th World Multidisciplinary Civil Engineering-Architecture-Urban Planning Symposium - WMCAUS 2019 : proceedings. 17–21 June 2019, Prague, Czech Republic [elektronický zdroj]. 1. vyd. Bristol : IOP Publishing, 2019. online. IOP Conference Series: Materials Science and Engineering, volume 603. Available on Internet: <https://iopscience.iop.org/volume/1757-899X/603> ISSN 1757-8981.