(3GdGeQGV GdfaSjI GdTGFYI (B: s (3HMhK aj Yde GdfaS GdeQVj (B.. (3ef GLd MjGI YbdjI GaVd (B/ s - (3GdTGHfOQ, eYeQ NGdO, s (3hdO (B1917(3, s ((3HZOGO (B[(3GdYQGb(B] : s (3eWHYI GdeYGQa (B968.s, 1968)
(3SGYOJ hRGQI GdJQHjI Ydi fTQg(B.s
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B167-169.s
Keywords: (3GdUMI GdfaSjI(B.s; (3GdGeQGV GdfaSjI(B.s