(3ehShYI GdbVGA hGdabI ddOhd GdYQHjI(B/s - (3GdacgGfj,MSfs ((3GdbGgQI(B[(3eUQ(B]:s (3GdOGQ GdYQHjI ddehShYGJ GdbGfhfjI,s, 1976)
Keywords: (3GdbVGAs