Não informado. (1968). Journal of Research of the National Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards.
Chicago Style (17. basım) AtıfNão informado. Journal of Research of the National Bureau of Standards. Washington: U.S. Department of Commerce, National Bureau of Standards, 1968.
MLA (8th ed.) AtıfNão informado. Journal of Research of the National Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards, 1968.
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