(3GOGQI GdTQGA hGdJNRjf aj efXhQ cej (B/ s - (3Rhjda, egOj MSf, s ((3GdcQc (B[(3GdGQOf(B] : s (3LGeYI eDJI, (B413 (3g`(B. = 1993.s, 1993)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B162-165.s
Keywords: (3GOGQI GdeTJQjGJ(B.s; (3GdeNGRfs -- (3GOGQI(B.s