British Standards Institution. (1981). Specification for calorifiers and storage vessels for central heating and hot water supply. British Standards Institution.
Citace podle Chicago (17th ed.)British Standards Institution. Specification for Calorifiers and Storage Vessels for Central Heating and Hot Water Supply. London: British Standards Institution, 1981.
Citace podle MLA (8th ed.)British Standards Institution. Specification for Calorifiers and Storage Vessels for Central Heating and Hot Water Supply. British Standards Institution, 1981.
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