1
Published [1985]
...SUS 552...

Report Number(s): SUS 552

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2
Published [1965]
...SUS 485...

Report Number(s): APA 4108 SUS 485

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3
Published [1981]
...SUS 54...

Report Number(s): APA 401 SUS 54

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5
by Gipson, Philip S.
Published [1982]
...SUS 52...

Report Number(s): APA 395 APA 1319 SUS 52

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6
Published [1982]
...SUS 112...

Report Number(s): APA 408 APA 1331 SUS 112

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