Publisher:
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[Arlington, VA : National Science Foundation], ©2005. |
Phys. Desc.:
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[6], 400 pages : digital, PDF file.
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Digital Content
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Click for online content. |
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Publisher:
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Washington, D.C. : National Science Foundation ; [1969-1972] |
Phys. Desc.:
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1 online resource
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Digital Content
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Click for online content. - Vol. 2 |
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Publisher:
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[Boulder, Colo.?] : [National Science Digital Library], 2000. |
Phys. Desc.:
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44 : illustrations ; 28 cm
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Digital Content
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Click for online content. |
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Publisher:
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Tallahassee, FL : Southeast Eisenhower Regional Consortium for Mathematics and Science Education @ SERVE, 2005. |
Phys. Desc.:
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1 online resource : digital, PDF file
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Digital Content
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Click for online content. |
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Publisher:
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Alexandria, Virginia : The National Science Foundation |
Phys. Desc.:
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1 online resource
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Digital Content
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Click for online content. |
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