Cooperative extension work /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
New York :
Comstock,
1963.
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| Edition: | 3rd ed. |
| Subjects: |
| Physical Description: | viii, 490 p. : ill. ; 24 cm. |
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| Bibliography: | Includes bibliographical references and index. |