Não informado. (1919). Scientific Papers of the Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards.
Čikaški stil citiranja (17. izdanje)Não informado. Scientific Papers of the Bureau of Standards. Washington: U.S. Department of Commerce, National Bureau of Standards, 1919.
MLA način citiranja (8. izdanje)Não informado. Scientific Papers of the Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards, 1919.
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