1. Determining heat leak to helium pipelines;Vishnev;Chem Pet Eng,1976
2. Development of a high performance transfer line system;Hosoyama,2000
3. Design and construction of long cryogenic piping lines;Kawano,1997
4. Blessing H, Lebrun P, Schippl K. Very low-loss liquid helium transfer with long flexible cryogenic lines. CERN LEP-MA/89-38, Genf; 1989.
5. Flexible siphons for transferring liquid helium;Fradkov;Cryogenics,1970