@article{Terren:74838,
      author        = "Terren, Juan de and Nájera, Esteban G. de",
      title         = "{Opusculum clericis, religiosis, et caeteris personis
                       prenecessarium, quia cu¯ctis indicat no¯nul la feitu
                       digna}",
      year          = "1557",
}