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

Report Number(s): APA 402

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

Report Number(s): APA 392

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Published [1982]
...APA 404...

Report Number(s): APA 404 APA 1329 SUS 110

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Published [1980]
...APA 1316...

Report Number(s): APA 1316 SUS 333

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Published [1981]
...APA 401...

Report Number(s): APA 401 SUS 54

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