7th World Multidisciplinary Earth Sciences Symposium - WMESS 2021 : [proceedings. 6th-10th September 2021, Prague, Czech Republic]. 1. vyd. Bristol : IOP Publishing, 2021. online. IOP Conference Series: Earth and Environmental Science (EES) vol. 906. Available on Internet: <https://iopscience.iop.org/issue/1755-1315/906/1> ISSN 1755-1307.