The magic of numbers,
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York, London,
Whittlesey house, McGraw-Hill book company, inc.
[1946]
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| Subjects: |
| Physical Description: | viii p., 1 l., 418 p. front. (port.) 21 cm. |
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