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I'm looking to get some data on the lambda transition of $\require{mhchem}\ce{^4He}$. I need the data points of the specific heat vs. temperature graph, if that makes sense.

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If that was confusing, given a temperature (say, 3.5 K) I would like to know the corresponding specific heat capacity. Really, I just need the temperatures 0-5 K. –  Darragh May 1 '13 at 19:39
See e.g. KEESOM, W. H. et KEESOM, A. P. New measurements on the specific heat of liquid helium. Physica, 1935, vol. 2, no 1, p. 557-572. e.g. at google scholar Searching for "helium 4 specific heat" will give you papers where the data you want is. If you want the whole 0-5K range, you will perhaps need to review several papers (and obviously you will never get a point at 0K ...) –  Georg Sievelson May 2 '13 at 1:35
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