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Book, 1992
Current format, Book, 1992, , No Longer Available.
Book, 1992
Current format, Book, 1992, , No Longer Available. Offered in 0 more formats
Presents ideas for projects and reports in astronomy, biology, chemistry, physics, and other scientific fields, and includes tips on choosing and researching a topic and a key to the difficulty level and special requirements of each project
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