@book{Bielenstein-1863,
  address    = {Mitau},
  author     = {Bielenstein, A.},
  publisher  = {Fr. Lucas' Buchhandlung},
  title      = {Lettische Grammatik},
  year       = {1863},
  iso_code   = {lav},
  olac_field = {syntax; morphology; general_linguistics; semantics; typology},
  wals_code  = {lat}
}