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Proceedings of the international workshop on earth resources survey systems : volume II : may 3-14, 1971 | Bok | 621.398.001 In
International workshop on earth resources survey systems (1971 : University of Michigan) / - [Washington?] : US government printing office, [1971]. - v, 606 s. - Språk: Engelsk | International workshop on earth resources survey systems | [1971] |