1
Published [1985]

Report Number(s): APA 2958 (draft) SUS 484

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2
3
Published [1984]

Report Number(s): APA 474

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4
Published 1983]

Report Number(s): APA 18

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5
Published 1983?]

Report Number(s): APA 19

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6
7
Published [1984]

Report Number(s): APA 457

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