SITEK, Jozef (zost.) - VAJDA, Ján (zost.) - JAMNICKÝ, Igor (zost.). APCOM 2021 : 26th International conference on applied physics of condensed matter. Štrbské Pleso, Slovak Republic. June 23-25, 2021. 1. ed. Melville : AIP Publishing, 2021. 351 s. AIP Conference Proceedings, Vol. 2411. ISBN 978-0-7354-4138-5. E*e-329/2021