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出版Capstone, 1999-08
主題Juvenile Nonfiction / Science & Nature / GeneralJuvenile Nonfiction / Science & Nature / Physics
ISBN07368039719780736803977
URLhttp://books.google.com.hk/books?id=0QRR_x-yj24C&hl=&source=gbs_api
EBookSAMPLE
註釋Simple text and photographs describe and illustrate starting and stopping.