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1LibroPublicado 1982“…ASTM Committee D-8 on Roofing, Waterproofing, and Bituminous Materials…”
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2LibroPublicado 1987“…ASTM Committee D-8 on Roofing, Waterproofing, and Bituminous Materials…”
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3Procedimiento de la ConferenciaPublicado 1987“…ASTM Committee D-8 on Roofing, Waterproofing, and Bituminous Materials…”