(3GdfSNI GdjefjI ef GdbVGA GdESdGej (B:s (3TQM bGfhf GdSdWI GdbVGFjI Gdjefj ebGQfG HCMcGe GdbVGA GdESdGej (B/s - (3GdhGOYj, CMeO Ydjs ((3UfYGA (B:s (3ecJHI Gdjef GdcHQi,s, 1989)
(3HHdjhLQGajI (B: (3U(B. 127-132.s
Keywords: (3GdbVGAs -- (3Gdjefs; (3GdbVGA aj GdESdGes