第二音波
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↑ Lane, C.; Fairbank, H.; Fairbank, W. (1947). “Second Sound in Liquid Helium II”. Physical Review 71 (9): 600–605. Bibcode: 1947PhRv...71..600L. doi:10.1103/PhysRev.71.600.
↑ De Klerk, D.; Hudson, R.; Pellam, J. (1954). “Second Sound Propagation below 1°K”. Physical Review 93: 28–37. Bibcode: 1954PhRv...93...28D. doi:10.1103/PhysRev.93.28.
↑ Lu, S.; Kojima, H. (1985). “Observation of Second Sound in Superfluid ^{3}He-B”. Physical Review Letters 55 (16): 1677–1680. Bibcode: 1985PhRvL..55.1677L. doi:10.1103/PhysRevLett.55.1677. PMID 10031890.
↑ Ackerman, C.; Bertman, B.; Fairbank, H.; Guyer, R. (1966). “Second Sound in Solid Helium”. Physical Review Letters 16 (18): 789–791. Bibcode: 1966PhRvL.