Frank, V. L. P., and M. E. de la Cruz. "Low temperature specific heat of Dow Corning Silicon Oil No 704 between 2 and 18 K." Cryogenics 24, no. 6 (1984): 311–312.
Abstract: The specific heat of Dow Corning Silicon Oil No 704 was measured between 2 and 18 K. Below 5 K it was found to follow a T3 law. Throughout the range it could be fitted with a 5th order polynomial in T.