Não informado. (2001). Soviet rubber technology. Rubber and Plastics Research Association of Great Britain.
Lua i Stíl Chicago (17ú heag.)Não informado. Soviet Rubber Technology. Shrewsbury, Inglaterra: Rubber and Plastics Research Association of Great Britain, 2001.
Lua MLA (8ú heag.)Não informado. Soviet Rubber Technology. Rubber and Plastics Research Association of Great Britain, 2001.
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