Metal 2021 : 30th Anniversary International Conference on Metallurgy and Materials, Brno, Czech Republic, EU, May 26 - 28, 2021. 1. vyd. Ostrava : Tanger, 2021. Available on Internet: <https://www.confer.cz/metal/2021> ISBN 978-80-87294-99-4. ISSN 2694-9296.