HALAJ, Martin et al. Velocity and flow rate measurement in a natural circulation helium loop = Velocity and flow rate measurement ina natural circulation helium loop. In Measurement 2023 : 14th International conference on measurement. Smolenice, Slovakia. May 29-31, 2023. Bratislava : Slovak academy of sciences, 2023, S. 265 - 268. ISBN 978-80-972629-6-9.