1
by Ballard, Warren B.
Published [1980]
...APA 524...

Report Number(s): APA 524 APA 947

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2
by Didrickson, Jack C.
Published [1978]
...APA 1059...

Report Number(s): APA 1059

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3
by Didrickson, Jack C.,
Published [1977]
...APA 950...

Report Number(s): APA 950

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5
by Ballard, Warren B.
Published 1979.
...APA 3137...

Report Number(s): APA 3137

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7
8
by Ballard, Warren B.
Published [1981]
...APA 2691...

Report Number(s): APA 2691

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9
10
...APA 2209...

Report Number(s): APA 2209

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11
...APA 2139...

Report Number(s): APA 2139 SUS 5002

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