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Uborka, konservirovanije i ispoľzovanije celych posevov zernovych i zernobobovych (metod GPS) / Dana Nehasilová. Praha : Inst. naučno-techn. inf. po seľ.-chozj., 1989. 94 s.[1, of that borrowed 0]
Slovak Agricultural Library in Nitra
www.slpk.uniag.sk