World Multidisciplinary Civil Engineering, Architecture, Urban Planning Symposium (WMCAUS 2018) : proceedings. 18–22 June 2018, Prague, Czech Republic. 1. vyd. Bristol : IOP Publishing, 2019. IOP Conference Series: Materials Science and Engineering, volume 471. Available on Internet: <https://iopscience.iop.org/volume/1757-899X/471> ISSN 1757-8981.