ASTM Committee D-8 on Roofing, Waterproofing, and Bituminous Materials, & Gumpertz, W. H. (1982). Single-ply roofing technology: A symposium. ASTM.
Citace podle Chicago (17th ed.)ASTM Committee D-8 on Roofing, Waterproofing, and Bituminous Materials, a W. H. Gumpertz. Single-ply Roofing Technology: A Symposium. Philadelphia, Pa. (1916 Race St., Philadelphia 19103): ASTM, 1982.
Citace podle MLA (8th ed.)ASTM Committee D-8 on Roofing, Waterproofing, and Bituminous Materials, a W. H. Gumpertz. Single-ply Roofing Technology: A Symposium. ASTM, 1982.
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