Authors:
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Article Category: Research Article
Online Publication Date: 01 May 1980
Page(s): 371 – 375
Volume/Issue: Volume 105: Issue 3
Abstract
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Contributor Notes
Received for publication August 18, 1979.
The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper must therefore be hereby marked advertisement solely to indicate this fact.
Reference to a specific brand or firm name does not constitute endorsement by the U.S. Department of Agriculture over others of a similar nature not mentioned.
The authors thank Dr. Roger Smith, Data Systems Application Division, for analyses of data.
Abstract