1. H.L. Stocker AGARD Conference proceeding no. 237 Seal Technology in Gas Turbine Engines.
2. https://www.indiamart.com/proddetail/turbine-labyrinth-seal-13540917233.html cited on 02. 03. 2018.
3. http://www.pondlucier.com/peaking-power-chapter-20-f-technology-and-beyond cited on 02. 03. 2018.
4. https://idahospudsblog.blogspot.com/2014/11/steam-turbine-outage.html cited on 02. 03. 2018.