Stötzel 1973

Stötzel, Michael. 1973. Guarayos. (Doctoral dissertation, Friedrich-Wilhelms Universität zu Bonn).

@phdthesis{62570,
  author = {Stötzel, Michael},
  school = {Friedrich-Wilhelms Universität zu Bonn},
  title  = {Guarayos},
  year   = {1973}
}