Lönnqvist, J.-E., V.-J. Ilmarinen, and F. M. Sortheix. “Polarization in the Wake of the European Refugee Crisis – A Longitudinal Study of the Finnish Political Elite’s Attitudes Towards Refugees and the Environment”. Journal of Social and Political Psychology, Vol. 8, no. 1, Feb. 2020, pp. 173-97, doi:10.5964/jspp.v8i1.1236.