(3TQM GdCMcGe GdYGeI dbGfhf GdYbhHGJ dOhdI GdEeGQGJ GdYQHjI GdeJMOI(B.s (3GdLRA GdChd,s (3GdfXQjI GdYGeI ddLQjeI (B/s - (3CHh NWhI, CMeO Thbj YeQ(B.s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1989)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3bGfhf GdYbhHGJs -- (3GdEeGQGJ GdYQHjI GdeJMOIs