- Hardcover: 75 pages
- Publisher: National Academy of Sciences (June 1980)
- Language: English
- ISBN-10: 0309022193
- ISBN-13: 978-0309022194
- Product Dimensions: 8.8 x 5.7 x 0.3 inches
- Shipping Weight: 7.2 ounces
- Amazon Best Sellers Rank: #10,906,382 in Books (See Top 100 in Books)
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