Science year 1991 : a review of science and technology during the 1990 school year.
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| Format: | Book |
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| Language: | English |
| Published: |
Chicago :
World Book, Inc,
1991.
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| Subjects: | |
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| Physical Description: | 400 p : ill. |
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| Bibliography: | Includes bibliographical references and index. |
| ISBN: | 0716605910 : |