Não informado. (1973). ASTM Standardization News. American Society for Testing and Materials.
Chicagoスタイル(17版)引用形式Não informado. ASTM Standardization News. Philadelphia, Pa: American Society for Testing and Materials, 1973.
MLA(8版)引用形式Não informado. ASTM Standardization News. American Society for Testing and Materials, 1973.
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