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| Main Authors: | , |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York,
W.W. Norton
[1949]
|
| Edition: | [1st ed.]. |
| Subjects: |
| Physical Description: | vii, 126 pages illustrations, charts 25 cm |
|---|---|
| Bibliography: | Includes bibliographical references (page 121). |
| ISBN: | 0393031349 9780393031348 |