Muhammad, N. and Man, Z. and Ziyada, A.K. and Bustam, M.A. and Mutalib, M.I.A. and Wilfred, C.D. and Rafiq, S. and Tan, I.M.  (2012) Thermophysical properties of dual functionalized imidazolium-based ionic liquids.  Journal of Chemical and Engineering Data, 57 (3).  pp. 737-743.  ISSN 00219568