Home › Authors › International Organization for Standardization. Technical Committee ISO/TC 61, Plastics. 👤 International Organization for Standardization. Technical Committee ISO/TC 61, Plastics. 2 books Books by International Organization for Standardization. Technical Committee ISO/TC 61, Plastics. DMS CERTIFICATIONS 2023 Plastics-determination of modu Plastics-determination of modules of elasticity by alternating flexure 1978