1. AmericanSociety forTesting andMaterials(1949 ) Manual on fatigue testing. STP No. 91.
2. AmericanSociety forTesting andMaterials(1963 ) Tests for repeated flexural stress (fatigue) of plastics. ASTM D671-63T.
3. AmericanSociety forTesting andMaterials(1974 ) Test for repeated flexural stress (fatigue) of plastics. ASTM D671-71.