61
62
Published [1960]

Report Number(s): APA 3490

Link to full text
63
Published [1986]

Report Number(s): APA 3417

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64
65
Published [1981]

Report Number(s): APA 1356

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66
Published [1981]

Report Number(s): APA 1357

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67
Published [1982]

Report Number(s): APA 1359

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68
Published [1982]

Report Number(s): APA 1358

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69
Published [1984]

Report Number(s): APA 1027

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70
Published [1983]

Report Number(s): APA 467

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71
Published [1983]

Report Number(s): APA 466

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73
74
76
77
Published [1981]

Report Number(s): APA 229 APA 308

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78
Published [1981]

Report Number(s): APA 402

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79
Published [1981]

Report Number(s): APA 401 SUS 54

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80
Published [1983]

Report Number(s): SUS 237

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