Não informado. (1979). Cement, Concrete and Aggregates. American Society for Testing and Materials.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Cement, Concrete and Aggregates. Philadelphia, Pa: American Society for Testing and Materials, 1979.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Cement, Concrete and Aggregates. American Society for Testing and Materials, 1979.
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