1
by Hansen, Henry A.
Published October 1971
“...APA 2231...”Published October 1971
Report Number(s): APA 2231
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2
by Peek, James M.
Published April 1976
“...APA 2257...”Published April 1976
Report Number(s): APA 2257
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3
by Hansen, Henry A.
Published October 1971
“...APA 2619...”Published October 1971
Report Number(s): APA 2619
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