- Paperback
- Publisher: Worldwatch Inst (Feb 1991)
- Language: English
- ISBN-10: 187807122X
- ISBN-13: 978-1878071224
- Product Dimensions: 20.8 x 13.7 x 0.8 cm
- Amazon Bestsellers Rank: 4,347,703 in Books (See Top 100 in Books)
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