1. 09.  Reference World Book's young scientist /   Publication: Chicago : World Book, 1997 . 10 v. : , Includes indexes. 28 cm. Date:1997 Availability: Copies available: (10), Actions:
2. 01. English Non Fiction The World Book student discovery science encyclopedia.   Publication: Chicago : World Book, 2006 . 13 v. : 29 cm. Date:2006 Availability: Copies available: (13), Actions:

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