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Published [1985]
...APA 2968...

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Published [1981]
...APA 420...

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by Gipson, Philip S.
Published [1984]
...APA 2329...

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Published [1984]
...APA 2554...

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Published [1984]
...APA 2556...

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Published [1981]
...APA 402...

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Published 1980?]
...APA 392...

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Published [1983]
...APA 413...

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