AS 2282.4:1979 Methods for testing flexible cellular polyurethane, Method 4: Determination of apparent density of flexible cellular polyurethane sheeting up to 13 mm thick
1970AS 2282.4:1999 Methods for testing flexible cellular polyurethane - Determination of apparent density of flexible cellular polyurethane sheeting up to 13 mm thick
1979AS 2282.4:1979 Methods for testing flexible cellular polyurethane, Method 4: Determination of apparent density of flexible cellular polyurethane sheeting up to 13 mm thick