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Clones, cats, and chemicals
by Slesnick, Irwin L.
Publication:
Arlington, Va. : National Science Teachers Association, 2004
. 1 online resource (viii, 72 p.) :
Date:2004
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Adventures in paleontology
by Hansen, Thor A.
Publication:
Arlington, VA : NSTA Press, 2006
. 1 online resource (ix, 129 p.) :
Date:2006
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