1
Published [1985]

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

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2
3
9
10
Published [1984]

Report Number(s): APA 1189

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13
14
Published [1986]

Report Number(s): APA 3417

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15
Published [1985]

Report Number(s): APA 3061

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16
17
Published [1984]

Report Number(s): APA 2466 SUS 422

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20