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Published [1982]

Report Number(s): APA 2 APA 15 SUS 176

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2
Published [1982]

Report Number(s): APA 442 APA 1246 SUS 2

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Published 1982.

Report Number(s): APA 938 (draft 2) RTS 14 (draft 2) SUS 28

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Published [1985]

Report Number(s): APA 3060 (draft 2) SUS 455

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