VALOVIČOVÁ, Ľubomíra (ed.) - ONDRUŠKA, Ján (ed.) - ZELENICKÝ, Ľubomír (ed.). DIDFYZ 2019 : Formation of the Natural Science Image of the World in the 21st Century. Terchová, Slovakia, 9-12 October 2019. 1. vyd. Melville : AIP Publishing, 2019. 332 s. AIP Conference Proceedings, volume 2152. Available on Internet: <https://aip.scitation.org/toc/apc/2152/1> ISBN 978-0-7354-1897-4.