Ziyada, A.K. and Wilfred, C.D.  (2014) Physical properties of ionic liquids consisting of 1-butyl-3- propanenitrile- and 1-decyl-3-propanenitrile imidazolium-based cations: Temperature dependence and influence of the anion.  Journal of Chemical and Engineering Data, 59 (4).  pp. 1232-1239.  ISSN 00219568