(3GdehShYI GdTQWjI GdbGfhfjI (B:s (3GdfXGe GdbGfhfj, GdeLGd GdJTQjYj, GdEWGQ Gdabgj, GdefGW GdTQYj LfGFjG hEOGQjG (B: (3OQGSI JMdjdjI JCUjdjI ebGQfI WHbG ddGJLGg GdMOjK hGdeYGUQ aj GdJTQjY GdeUQj(B-(3GdYQHj(B-(3GdCLfHj (B/s - (3GdTgGhj, bOQj YHO GdaJGMs ((3GdbGgQI (B:s (3YGde GdcJH,s, 1977)
(3HHdjhLQGajI (B: (3U(B. 970-972.s
Keywords: (3GdTQWIs -- (3bhGfjf hJTQjYGJs -- (3eUQs -- (3OhGFQ eYGQas