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Uuno Vilho Helava at the National Research Council of Canada from December 1953 to September 1965
Uuno Vilho Helava at Ottico Meccanica Italiana in Rome, Italy
Uuno Vilho Helava contributes to photogrammetry in the United States
Miller, S.B.; Seymour, R.H.
The published work of U.V. Helava