@book{Gruzov-1960,
  address    = {Joshkar-Ola},
  author     = {Gruzov, L. P.},
  title      = {Sovremennyi marijskij jazyk: fonetika},
  year       = {1960},
  iso_code   = {mhr},
  olac_field = {typology; general_linguistics; phonology; phonetics},
  wals_code  = {mme}
}