@book{Aissen-1987,
  address    = {Dordrecht},
  author     = {Aissen, Judith L.},
  publisher  = {D. Reidel},
  title      = {Tzotzil Clause Structure},
  year       = {1987},
  iso_code   = {tzc},
  olac_field = {general_linguistics; typology; syntax},
  wals_code  = {tzo}
}