Zharkov, I.P., Ivaschenko, A.N., Sаfrоnоv V.V., Sеlivanov A.V. and Sоlоnetsky A.G. 2018. Extension of Temperature Control Interval in Liquid-Flow Helium Cryostats. Ukrainian Journal of Physics. 63, 10 (Oct. 2018), 916. DOI:https://doi.org/10.15407/ujpe63.10.916.