226 resultados para demonstration
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Shaw & Shoemaker
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Includes index.
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Mode of access: Internet.
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Mode of access: Internet.
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"Research ... pursuant to contract SAE-6415, United States Office of Education, Department of Health, Education, and Welfare."
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Mode of access: Internet.
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Mode of access: Internet.
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Shipping list no.: 93-0481-P.
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Shipping list no.: 96-0115-P.
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"Issued December 1933."
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"April 1946."
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Cover title.
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"B-224648"--P. 1.
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Final report; May 1978.
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"April 24, 2006."