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3 items

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Gun-Camera Records as Measures of Pedestal Sight Gunnery Proficiency
Author(s): Ellis, Douglas S.
Date of Publication: 1956-02
Report number: AFPTRC TN 56-30
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Pedestal Sight Gunnery Skills: A Review of Research
Author(s): Goldstein, Mymon, Ellis, Douglas S.
Date of Publication: 1956-02
Report number: AFPTRC TN 56-31
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Research on General Skills and Concepts in Electronic Maintenance Training
Author(s): Ellis, Douglas S.
Date of Publication: 1958-01
Report number: AFPTRC TR 58-4

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