1
Published [1981]
...APA 1281...

Report Number(s): APA 1281

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2
Published 1983]
...APA 217...

Report Number(s): APA 217

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3
4
Published [1981]
...APA 1279...

Report Number(s): APA 1279

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5
Published [1981]
...APA 335...

Report Number(s): APA 335 APA 2758 SUS 62

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