(3GdUjGfI GdefRdjIs - (3GdgHjQj, eMeO QTGOs; (3EHQGgje, EHQGgje fjQhRs; (3YHO GdaJGM, YHO GdQGRbs; (3bGHjd, jMjis ((3GdbGgQIs (3eQcR GdCgQGe ddJQLeI h GdfTQs, 1989)
(3eJhGaQ efg GdWHYI GdKGfjI dYGe (B2000 (3aj ecJHI eUQ aQY GdRGhjI GdMeQGAs
1 9 13
Keywords: (3GdSHGcIs -- (3JUdjMs; (3GdUQa GdUMjs; (3GdgfOSI GdUMjIs