(3Yde GdbQGAGJ (B:s (3fTCJg, CWhGQg, CKQg aj GdYdhe GdTQYjI (B/s - (3Bd ESeGYjd, fHjd Hf eMeO EHQGgje,s 1383 (3gLQj(B-s ((3GdQjGV (B:s (3ecJHI GdJhHI,s, 2000)
(3HHdjhLQGajI (B: (3U(B. 465-485.s
Keywords: (3GdbQBfs; (3GdbQGAGJ hGdJLhjOs