23
Published [1986]

Report Number(s): APA 3414

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24
Published [1984]

Report Number(s): APA 591 SUS 263

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25
Published [1984]

Report Number(s): APA 2518 SUS 445

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26
Published [1984]

Report Number(s): APA 1189

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27
Published 1982.

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

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28
Published [1981]

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

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31
35
Published 1984]

Report Number(s): APA 871

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36