@article{Petit:3321,
      author        = "Heráclides de Chypre and Petit, Jean",
      title         = "{Pro piorum recreatione et in hoc opere contenta Epistola
                       ante indicem Index contentorum Ad lectores Paradysus
                       Heraclidis Epistola Clementis Recognitiones Petri
                       apostoli..}",
      year          = "1504",
      note          = "Marca tip. de Jean Petit en la port.",
}