(1964). Installation of gas fires boilers for central heating in domestic premises. London: The Council for Codes of Practice British Standards Institution.
Παραπομπή Chicago StyleInstallation of Gas Fires Boilers for Central Heating in Domestic Premises. London: The Council for Codes of Practice British Standards Institution, 1964.
Παραπομπή MLAInstallation of Gas Fires Boilers for Central Heating in Domestic Premises. London: The Council for Codes of Practice British Standards Institution, 1964.
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