Commercial research; an outline of working principles
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| OCLC: | 519765 |
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| Main Author: | |
| Language: | English |
| Published: |
New York,
Macmillan,
1919.
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| Subjects: | |
| Format: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Physical Description: | ix, 385p. map,diagrs. 20cm. |
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