(1958). Centrifugally cast (spun) iron pressure pipes for water, gas & sewage. London: British Standards Institution.
Παραπομπή Chicago StyleCentrifugally Cast (spun) Iron Pressure Pipes for Water, Gas & Sewage. London: British Standards Institution, 1958.
Παραπομπή MLACentrifugally Cast (spun) Iron Pressure Pipes for Water, Gas & Sewage. London: British Standards Institution, 1958.
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