Young, O. D. (1930). National Electric Light Association. Fifty-third annual convention. Address.
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Chicago-čujuhus (17. p.)
Young, Owen D. National Electric Light Association. Fifty-third Annual Convention. Address. San Francisco, 1930.
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MLA-čujuhus (9. p.)
Young, Owen D. National Electric Light Association. Fifty-third Annual Convention. Address. 1930.
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