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L99	Lytvynenko, T. V.     Development and research of model of differential mode GPS [Текст] : Project Doc. for the Bachelor Work : 6.070102 - Aeronavigation / Min. of Education and Science of Ukraine, Nat. Aerospace Univ. named after N.Ye. Zhukovskiy "Kharkiv Aviation Inst.", Chair. of Flight Vehicles Control Systems, Dep. № 301 ; head Dergachev K. Yu. — Kharkiv, 2011. — 59 p. + app.