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Google圖書搜尋
The Hamlyn Junior Science Encyclopedia
Valerie Pitt
John Daintith
Alan Isaacs
出版
Hamlyn
, 1973
URL
http://books.google.com.hk/books?id=U00U0AEACAAJ&hl=&source=gbs_api
註釋
Articles introduce some of the basic principles, notable individuals, and important inventions and applications of the earth and physical sciences.
