@book{Lamb-1964,
  address    = {London},
  author     = {Lamb, N. J.},
  publisher  = {Collins},
  title      = {Collins Portuguese Gem Dictionary},
  year       = {1964},
  iso_code   = {por},
  olac_field = {typology; syntax; general_linguistics},
  wals_code  = {por}
}