@unpublished{683849,
  author         = {Olson, Clif},
  title          = {Gumawana Grammar Essentials},
  type           = {manuscript},
  year           = {1988},
  citekeys       = {cldf1:Olson-1988},
  hhtype         = {grammar (computerized assignment from "grammar")},
  inlg           = {English [eng]},
  iso_code       = {gvs},
  isreferencedby = {cldf1},
  lgcode         = {[guma1254]},
  macro_area     = {Papunesia},
  olac_field     = {morphology; semantics; typology; general_linguistics; syntax},
  src            = {cldf},
  wals_code      = {gmw},
  wals_ref_name  = {Olson 1988}
}