Não informado. (1973). ASTM Standardization News. American Society for Testing and Materials.
Chicago-viite (17. p.)Não informado. ASTM Standardization News. Philadelphia, Pa: American Society for Testing and Materials, 1973.
MLA-viite (8. p.)Não informado. ASTM Standardization News. American Society for Testing and Materials, 1973.
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