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21Almmustuhtton 1964Konfereansapublikašuvdna Girji
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22Almmustuhtton 1998Konfereansapublikašuvdna Girji
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26Almmustuhtton 1998Konfereansapublikašuvdna Girji
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29Almmustuhtton 1965“...Institution of Mechanical Engineers. Proceedings ;...”
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30Almmustuhtton 1993“...Proceedings of the Institution of Mechanical Engineers...”
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31Almmustuhtton 1972“...Institution of Mechanical Engineers. Proceedings 1969-70, v. 184, pt. 3I...”
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