ebrary, Inc. (2001). An assessment of the National Institute of Standards and Technology measurement and standards laboratories: Fiscal year 2001. National Academy Press.
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Dyfyniad Arddull Chicago
ebrary, Inc. An Assessment of the National Institute of Standards and Technology Measurement and Standards Laboratories: Fiscal Year 2001. Washington, D.C.: National Academy Press, 2001.
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Dyfyniad MLA
ebrary, Inc. An Assessment of the National Institute of Standards and Technology Measurement and Standards Laboratories: Fiscal Year 2001. National Academy Press, 2001.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.