1
by Furbush, Clarence E.
Published [1977]
...APA 1725...

Report Number(s): APA 1725

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2
by Hettinger, Loren.
Published 1974.
...APA 529...

Report Number(s): APA 529

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3
by Schoephorster, Dale B.,
Published 1973.
...APA 1724...

Report Number(s): APA 1724

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4
by Rieger, Samuel, 1921-
Published 1963.
...APA 1723...

Report Number(s): APA 1723

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5
Published [1982?]
...APA 55...

Report Number(s): APA 55

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6
by Schoephorster, Dale B.
Published 1968.
...APA 1722...

Report Number(s): APA 1722

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7