7
12
Published 1977.

Report Number(s): APA 3363

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13
14
Published [1982]

Report Number(s): APA 421 APA 1321 SUS 55

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16
Published 1978.

Report Number(s): APA 1613 RTS 4 SUS 35 SUS 10004 SUS 10005

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17
Published [1981]

Report Number(s): APA 20 APA 449 APA 1241

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19
20
Published [1984]

Report Number(s): APA 1190

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