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

Report Number(s): APA 402

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4
Published 1980?]
...APA 392...

Report Number(s): APA 392

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5
by Steigers, William D.
Published [1984]
...APA 1698...

Report Number(s): APA 1698

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6
by Steigers, William D.
Published [1984]
...APA 1698 (draft)...

Report Number(s): APA 1698 (draft)

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7
Published [1981]
...APA 401...

Report Number(s): APA 401 SUS 54

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9
by McIlroy, Carl William,
Published [1976]
...APA 1611 (in part)...

Report Number(s): APA 1611 (in part) RTS 2 (in part) SUS 10001

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