A study of future worlds /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York :
Free Press,
[1975]
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| Series: | Preferred worlds for the 1990's
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| Subjects: |
| Physical Description: | xxxiii, 506 p. : ill ; 24 cm. |
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| Bibliography: | Includes bibliographical references and index. |
| ISBN: | 0029100607 0029100801 (pbk.) |