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Published [1981]

Report Number(s): APA 1281

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9
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Published [1980]

Report Number(s): APA 328 APA 1204

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Published [1981]

Report Number(s): APA 220 APA 356 APA 1435 SUS 43 (v. 1)

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14
Published 1983]

Report Number(s): APA 217

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