Say it with figures.
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York,
Harper & Row
[1968]
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| Edition: | 5th ed., rev. |
| Subjects: |
| Physical Description: | xviii, 248 p. illus. 22 cm. |
|---|---|
| Bibliography: | Bibliographical footnotes. |