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C 13. 10 : 250- 20
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ElectronicResource GovDoc
Gaithersburg, MD : U.S. Dept. of Commerce, National Bureau of Standards, 1987.
1987
Rating:
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ElectronicResource GovDoc
Gaithersburg, MD : U.S. Dept. of Commerce, National Bureau of Standards, 1987.
1987
Rating:
|
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