Lloyd's register of shipping. (1975). Approved welding consumables for use in hull construction. LRS.
Chicago-tyylinen lähdeviittausLloyd's register of shipping. Approved Welding Consumables for Use in Hull Construction. London: LRS, 1975.
MLA-viiteLloyd's register of shipping. Approved Welding Consumables for Use in Hull Construction. LRS, 1975.
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