@book{Stojanov-1964,
  address    = {Sofia},
  author     = {Stojanov, S.},
  publisher  = {Nauka i izkustvo},
  title      = {Gramatika na bâlgarskija knizhoven ezik},
  year       = {1964},
  iso_code   = {bul},
  olac_field = {typology; syntax; general_linguistics},
  wals_code  = {bul}
}