41
Published [1981]

Report Number(s): APA 1364

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42
Published [1982]

Report Number(s): APA 1399

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43
Published 1982]

Report Number(s): APA 1400

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44
Published 1983]

Report Number(s): APA 18

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45
Published 1983?]

Report Number(s): APA 19

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48
Published [1981]

Report Number(s): APA 1367

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53
Published [1980]

Report Number(s): APA 1366

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by Plummer, James R.,
Published 1982]

Report Number(s): APA 188

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59
Published [1980]

Report Number(s): SUS 13 SUS 58

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