(3GdJQHjI aj GdHdGO GdYQHjI (B: s (3MGVQgG heTcdGJgG heSJbHdgG (B/ s - (3YHOGdOGFe , YHOGddg s ((3HjQhJ (B: s (3OGQ GdYde ddedGjjf , s, 1976)
Keywords: (3GdJQHjI s