Hapola, T., Järvinen, M., Kouvaris, C., Panci, P., & Virkajärvi, J. (2014). Constraints on Majorana dark matter from a fourth lepton family. Journal of Cosmology and Astroparticle Physics, 2014(02), Article 050. https://doi.org/10.1088/1475-7516/2014/02/050