@book{5332,
  author = {Antonio Zavala},
  title = {Bidasoa aldeko bost bertsolari},
  abstract = {Axura bertsolaria (1833-1917) ; Juan Migel Bera Ezkurra (1857-1914) ; Pedro Maria Etxarte Lasaga (1862-1934) ; Jose Maritorena Ezurmendia (1882-1953) ; Trinidad Urtasun Marturet},
  year = {1970},
  series = {Auspoa},
  number = {97},
  publisher = {Auspoa},
  school = {Auspoa},
  address = {Tolosa},
  url = {https://www.euskaltzaindia.eus/dok/iker_jagon_tegiak/auspoa/10613.pdf},
  language = {Basque},
}