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Published [1982]

Report Number(s): APA 5 APA 287 APA 1340 APA 1582 SUS 79

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Published [1979]

Report Number(s): APA 146 (draft) APA 3205 (draft)

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Published [1985]

Report Number(s): APA 2969

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Published [1984]

Report Number(s): APA 1112

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Published [1984]

Report Number(s): APA 1027

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Published [1983]

Report Number(s): APA 467

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