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TO OUR READERS

2011-10-05 03:35:58 (читать в оригинале)

Schoolboys often have questions from different areas of a science, technics and art, which textbooks or at all aren’t answered, or give the incomplete answer. The word “encyclopedia” is taken from the Greek language where it means «a circle of knowledge». Now as encyclopedias are called the books containing scientific data selected in certain system [...]