(1972). Metal railings and balustrades for use in buildings and their curtilages. London: The Council for Codes of Practice British Standards Institution.
Παραπομπή Chicago StyleMetal Railings and Balustrades for Use in Buildings and Their Curtilages. London: The Council for Codes of Practice British Standards Institution, 1972.
Παραπομπή MLAMetal Railings and Balustrades for Use in Buildings and Their Curtilages. London: The Council for Codes of Practice British Standards Institution, 1972.
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