British Standards Institution. (1973). Specification for asbestos-cement flue pipes and fittings, heavy quality (6th revision (metric).). B.S.I..
Citace podle Chicago (17th ed.)British Standards Institution. Specification for Asbestos-cement Flue Pipes and Fittings, Heavy Quality. 6th revision (metric). London: B.S.I., 1973.
Citace podle MLA (8th ed.)British Standards Institution. Specification for Asbestos-cement Flue Pipes and Fittings, Heavy Quality. 6th revision (metric). B.S.I., 1973.
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