Tham khảo Heli_lỏng

  1. ↑ Liquid Helium, accessed 2010-04-02
  2. 1 2 Wilks, p. 1.
  3. ↑ Wilks, pp. 474-478.
  4. ↑ Wilks, p. 289.
  5. ↑ Dieter Vollhart and Peter Wölfle (1990). The Superfluid Phases of Helium 3. Taylor and Francis. tr. 3. 
  • J. Wilks (1967). The Properties of Liquid and Solid Helium. Oxford: Clarendon Press. ISBN 0-19-851245-7. 
  • Freezing Physics: Heike Kamerlingh Onnes and the Quest for Cold, Van Delft Dirk (2007). Edita - The Publishing House Of The Royal Netherlands Academy of Arts and Sciences. ISBN 978-90-6984-519-7.