American Society for Testing Materials. (1947). Proceedings, Volume 46. 1946. American Society for Testing Materials.
Lua i Stíl Chicago (17ú heag.)American Society for Testing Materials. Proceedings, Volume 46. 1946. Philadelphia: American Society for Testing Materials, 1947.
Lua MLA (9ú heag.)American Society for Testing Materials. Proceedings, Volume 46. 1946. American Society for Testing Materials, 1947.
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