State of the world, 1990: a Worldwatch Institute report on progress toward a sustainable society/
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| Format: | Book |
| Language: | English |
| Published: |
New York:
Norton,
c1990
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| Physical Description: | xvi, 253 p. ; 24 cm. |
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| Bibliography: | Includes bibliographical references and index |
| ISBN: | 0393306143 |