6th World Multidisciplinary Civil Engineering-Architecture-Urban Planning Symposium - WMCAUS 2021 [elektronický zdroj]. 1. vyd. Bristol : IOP Publishing, 2021. online. IOP Conference Series: Materials Science and Engineering, volume 1203. Available on Internet: <https://iopscience.iop.org/volume/1757-899X/1203> ISSN 1757-8981.