1.
図書 |
Encyclopaedia Britannica
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2.
図書 |
Grolier Incorporated
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3.
図書 |
World Book, Inc
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4.
図書 |
Ephraim Chambers
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5.
図書 |
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6.
図書 |
[A.M. Prokhorov, editor in chief]
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7.
図書 |
[general editor James Mallory]
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