@book{OPUS4-14031,
  title     = {Adieu plus : comprension auditiva y visual de clases magistrales ; 14 CD-ROM},
  editor    = {Alexanda Navas Mendes and Graciela Vazquez},
  volume    = {2},
  isbn      = {3-935024-93-2},
  year      = {2004},
}