(1960). Specification for wrought copper and wrought zinc rainwater goods. London: British Standards Institution.
Παραπομπή Chicago StyleSpecification for Wrought Copper and Wrought Zinc Rainwater Goods. London: British Standards Institution, 1960.
Παραπομπή MLASpecification for Wrought Copper and Wrought Zinc Rainwater Goods. London: British Standards Institution, 1960.
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