@book{Grjunberg-1987,
  address    = {Leningrad},
  author     = {Grjunberg, Aleksandr L.},
  publisher  = {Nauka},
  title      = {Ocherk grammatiki afganskogo jazyka (pashto)},
  year       = {1987},
  iso_code   = {pst},
  olac_field = {general_linguistics; typology; phonetics; phonology},
  wals_code  = {psh}
}