@Misc{ 
  Ler14c,
  author = { Lerario, Antonio },
  title = { Complexity of intersection of real quadrics and topology of symmetric determinantal varieties },
  journal = { Journal of the European Mathematical Society },
  year = { 2014 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2881/ },
  note = { cvgmt preprint}
}