1
Published 1982.

Report Number(s): APA 938 (draft 2) RTS 14 (draft 2) SUS 28

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2
Published [1982]

Report Number(s): APA 938 (draft 1) RTS 14 (draft 1)

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3
4
Published [1983]

Report Number(s): APA 938 (draft 3) RTS 14 (draft 3)

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