42
44
56
Published [1981]

Report Number(s): APA 1398

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57
Published [1982]

Report Number(s): APA 1399

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58
Published 1982]

Report Number(s): APA 1400

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59
Published [1980]

Report Number(s): APA 1397 SUS 338

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60
Published 1980?]

Report Number(s): APA 392

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