@inproceedings{AlvarezPando:5882,
      author       = "Labordeta Subías, Miguel and Alvarez Pando, Ángel",
      title        = "Carta mecanografiada de Ángel Alvarez Pando a Miguel
                      Labordeta - 17/01/1964",
      year         = "1964",
      note         = "Mecanografiada",
}