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Description: |
v, 24 pages : illustrations, maps ; 28 cm. |
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General Note: |
Pittman-Robertson Project W-75-R-23; study number 7523. |
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Bibliography Note: |
Includes bibliographical references (pages 9-10). |
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Other Forms: |
Also issued in electronic format. |
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Elect. Loc./Access: |
http://worldcat.org/oclc/17928073/viewonline View Online |