1
Published [1981]
...SUS 82...

Report Number(s): SUS 82

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2
Published [1982]
...SUS 57...

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

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3
Published [1981]
...SUS 62...

Report Number(s): APA 335 APA 2758 SUS 62

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