Specific Heat Capacity互联网档案馆的存檔,存档日期2007-08-04.. Diracdelta.co.uk Science and Engineering Encyclopedia. Dirac Delta Consultants Ltd, Warwick, England. Retrieved on 2007-08-18.
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Kaye, George William Clarkson; Laby,Thomas Howell. Mechanical properties of materials (页面存档备份,存于互联网档案馆). Kaye and Laby Tables of Physical and Chemical Constants. National Physical Laboratory. Retrieved on 2008-03-06.
Kaye, George William Clarkson; Laby,Thomas Howell. Mechanical properties of materials (页面存档备份,存于互联网档案馆). Kaye and Laby Tables of Physical and Chemical Constants. National Physical Laboratory. Retrieved on 2008-03-06.