RAMSDEN,E.N. (1982). METALS &ALLOYS. STANLEY THORNES.
Lua i Stíl Chicago (17ú heag.)RAMSDEN,E.N. METALS &ALLOYS. CHELTHEN: STANLEY THORNES, 1982.
Lua MLA (9ú heag.)RAMSDEN,E.N. METALS &ALLOYS. STANLEY THORNES, 1982.
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