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Message * Nauchno-Tekhnicheskiĭ Progress V Lesnom Komplekse Materialy Mezhdunarodnoĭ Nauchno-Prakticheskoĭ Konferent︠s︡ii, Syktyvkar, Respublika Komi, Rossii︠a︡, 18-20 Apreli︠a︡ 2000 G. - 5898040110 - 9785898040116