1
Published 1979.
...ResearchWorks at the University of Washington....

Report Number(s): APA 353 APA 433 SUS 230

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2
Published [1982]
...ResearchWorks at the University of Washington....

Report Number(s): APA 354 APA 432 SUS 223

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3
by Stober, Quentin J.
Published [1978]
...ResearchWorks at the University of Washington....

Report Number(s): APA 1903 SUS 118 SUS 150

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