(1978). Certain silica filament fabric from Japan. Washington: United States International Trade Commission.
Dyfyniad Arddull ChicagoCertain Silica Filament Fabric From Japan. Washington: United States International Trade Commission, 1978.
Dyfyniad MLACertain Silica Filament Fabric From Japan. Washington: United States International Trade Commission, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.