867 resultados para utilitarian walk
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"Prepared under Contract No. CST 263 between the National Academy of Sciences and the National Bureau of Standards."
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Bibliography: p. 30.
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Mode of access: Internet.
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Added t.p., engraved.
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Bibliography: p. 319-323.
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"Authorities": p. [v]-viii.
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"Sonderabdruck aus Zeitschrift für wissenschaftliche Zoologie, Bd. CV, Heft 4".
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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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Description based on : 2007 ; title from cover.
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Mode of access: Internet.
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Mode of access: Internet.