(3LQGFe GdJRhjQ hGdQThI aj CfXeI GdeedcI GdYQHjI GdSYhOjI (B/s - (3NVQ, YHO GdaJGMs ((3GdQjGV (B:s (3ecJH UdGM GdMLjdGf ddeMGeGI hGdGSJTGQGJ GdbGfhfjI,s, 1990)
(3edGMb (B: (3UaMI (B305-326.s
(3HHdjhLQGajI (B: (3UaMI (B327-332.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdJRhjQs -- (3bhGfjf hJTQjYGJs -- (3GdSYhOjIs; (3GdLQjeI hGdeLQehfs -- (3GdSYhOjIs; (3GdQThIs -- (3bhGfjf hJTQjYGJs -- (3GdSYhOjIs