@book{Ulrich-and-Ulrich-1976,
  address    = {Guatemala},
  author     = {Ulrich, Mateo and de Ulrich, Rosemary},
  publisher  = {Instituto Lingüístico de Verano},
  title      = {Diccionario Bilingüe Maya Mopán y Español, Español y Maya Mopán},
  year       = {1976},
  iso_code   = {mop},
  olac_field = {syntax; typology; general_linguistics},
  wals_code  = {mop}
}