(1944). Symposium on the Applications of Synthetic Rubber. American Society for Testing materials.
Dyfyniad Arddull ChicagoSymposium on the Applications of Synthetic Rubber. Philadelphia: American Society for Testing materials, 1944.
Dyfyniad MLASymposium on the Applications of Synthetic Rubber. American Society for Testing materials, 1944.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.