Standard Classification System for and Basis for Specification for Acrylonitrile–;Butadiene–;Styrene (ABS) Plastics and Alloys Molding and Extrusion Materials— 7 стр.
Standard Classification System and Basis for Specification for Polystyrene and Rubber-Modified Polystyrene Molding and Extrusion Materials (PS)— 5 стр.
