1. R. Cajka, Temperature effects of large-scale foundation structures (in Czech). Journal Beton a zdivo, No. 1-2/1993.
2. R. Cajka, Development of hydration heat during concreting foundation chimney of Power station Detmarovice (in Czech). In Proceeding of International Conference “Concrete Days 2001”, November 28.-30. 2001, Pardubice, Czech Republic, ISBN 80-238-7595-7.
3. R. Cajka, Stress state of reinforced concrete foundation plate with view to ambient temperature under casting (in Czech). Proceeding of XII. International Symposium “REPAIR 2002”, May 16. - 17. 2002, Brno, ISSN 1211-3700.
4. R. Cajka, P. Mateckova, Temperature distribution of slide joint in reinforced concrete foundation structures. 17th International Conference on Engineering Mechanics 2011, May 9.-12. 2011, Svratka, Czech Republic, ISBN 978-80-87012-33-8, WOS: 000313492700017.
5. M. Janulikova, R. Cajka, P. Mateckova, M. Stara, Modelling of Foundation Structures with Sliding Joint Using Results of Asphalt Belts Laboratory Tests. Transactions of the VSB - Technical University of Ostrava, Construction Series, Volume XII, Number 1/2012, VSB - TU Ostrava, 2011, ISSN 1804-4824 (Online), doi: 10.2478/v10160-012-0002-x.