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Message * Xiv Sankt-Peterburgskai︠a︡ Mezhdunarodnai︠a︡ Konferent︠s︡ii︠a︡ Po Integrirovannym Navigat︠s︡ionnym Sistemam, 28-30 Mai︠a︡ 2007 G. Sbornik Materialov - 590078066X - 9785900780665