1
Published [1977]
...APA 3284 (draft)...

Report Number(s): APA 3284 (draft)

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2
Published [1984?]
...APA 4153...

Report Number(s): APA 4153 RTS 23 (draft)

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3
Published [1981]
...APA 3506...

Report Number(s): APA 3506 RTS 11d (draft) SUS 327

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4
Published [1983]
...APA 938 (draft 3)...

Report Number(s): APA 938 (draft 3) RTS 14 (draft 3)

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5
Published [1982]
...APA 938 (draft 1)...

Report Number(s): APA 938 (draft 1) RTS 14 (draft 1)

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6
Published 1982.
...APA 938 (draft 2)...

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

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