- Paperback: 86 pages
- Publisher: Worldwatch Inst; November, 1989, Underlining and Notation edition (November 1989)
- Language: English
- ISBN-10: 0916468933
- ISBN-13: 978-0916468934
- Product Dimensions: 8.3 x 5.3 x 0.3 inches
- Shipping Weight: 3.2 ounces
- Amazon Best Sellers Rank: #7,227,129 in Books (See Top 100 in Books)
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