81
by Tobiasson, Wayne.
Published [1973]

Report Number(s): APA 959

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82
83
84
Published [1986]

Report Number(s): APA 3402

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85
Published [1981]

Report Number(s): APA 1364

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88
90
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93
by Trigg, William M.
Published 1971.

Report Number(s): APA 924

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94
by Buskirk, Steven.
Published 1983.

Report Number(s): APA 896 APA 2750

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