@Misc{ 
  ConMadSal16,
  author = { Conti, Diego and Madsen, Thomas Bruun and Salamon, Simone },
  title = { Quaternionic geometry in dimension eight },
  journal = { arXiv:1610.04833 [math.DG] },
  year = { 2016 },
  pages = {  },
  URL = { https://gecogedi.dimai.unifi.it/paper/163/ },
  note = { cvgmt preprint}
}