(3GdOGNdjI hGdfGS (B:s (3Odjd GdJYGed eY GdOGNdjI (B/s - (3MLGRj, LeGd GdOjf SGdes ((3GdbGgQI (B:s (3LeGd GdOjf SGde MLGRj,s, 1989)
Keywords: (3GdTQWIs -- (3eUQs; (3GdCef GdOGNdjs -- (3eUQs