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Published [1981]
...APA 10...

Report Number(s): APA 10 APA 84 APA 297 APA 1327 SUS 56

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Published [1982]
...APA 5...

Report Number(s): APA 5 APA 287 APA 1340 APA 1582 SUS 79

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Published 1982]
...APA 110...

Report Number(s): APA 110

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Published [1981]
...APA 1210...

Report Number(s): APA 1210 SUS 80

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