Tverytnykova, Elena, and Maryna Gutnyk. “Abram Slutskin and Radiophysics in Ukraine of the First Half of the 20th Century: World Dimension”. Studia Historiae Scientiarum 21 (August 26, 2022): 397–420. Accessed December 10, 2022. https://ojs.ejournals.eu/SHS/article/view/8020.