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Published [1985]

Report Number(s): APA 2921 (draft) SUS 513

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Published [1982]

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

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by Duncan, Lance.
Published 1982]

Report Number(s): APA 239

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Published [1985]

Report Number(s): APA 2756

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by Plummer, James R.,
Published 1982]

Report Number(s): APA 188

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