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Mann, Wendell E., author
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Roberts, Lester B., author
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Project no. 7 -- Night vision from tanks. First partial report on sub-project no. 7-1, Determination of the lighting requirements for various tasks of tank crews
✖Remove constraint Titles: Project no. 7 -- Night vision from tanks. First partial report on sub-project no. 7-1, Determination of the lighting requirements for various tasks of tank crews