998 resultados para comparative study
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Transportation Systems Center, Cambridge, Mass.
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Item 831-B-2
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Typewritten manuscript. Bibl. f. 4-5.
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Includes bibliographic references (216).
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Supported by Contract AT(11-1)-1018 and Contract AT(11-1)-2118 with U.S. Atomic Energy Commission.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Also pub. as Contributions to education, no. 111.
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Mode of access: Internet.
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Bibliography: p. 157-159.
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Mode of access: Internet.
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"September 2007"
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At head of title: U.S. Department of agriculture. Bureau of animal industry.
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Mode of access: Internet.