1465
1466
Published [1980]

Report Number(s): APA 328 APA 1204

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1467
1468
1469
Published [1982]

Report Number(s): APA 300 APA 1369

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1470
Published [1982?]

Report Number(s): APA 138 SUS 71

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1471
Published [1982]

Report Number(s): APA 423 APA 1438 APA 1439 SUS 70

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1472
1473
1474
Published [1982]

Report Number(s): APA 2 APA 15 SUS 176

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1475
Published [1982]

Report Number(s): APA 3 APA 1208 SUS 57

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1476
1477
1478
1480