Melting properties of two-dimensional multi-species colloidal systems in a parabolic trapW. Yang, K. Nelissen, M.H. Kong, Y.T. Li and Y.M. TianEur. Phys. J. B, 83 4 (2011) 499-505DOI: https://doi.org/10.1140/epjb/e2011-20595-9