| 1.
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図書
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prepared by Chemical Education Material Study ; under a grant from the National Science Foundation
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| 2.
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図書
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prepared by Chemical Education Material Study, under a grant from the National Science Foundation ; editor: A.L. McClellan ; associate editors, George C. Pimentel, Keith MacNab
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| 3.
図書 |
図書
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Prepared by Chemical Education Material Study, under a grant from The National Science Foundation
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