(3GdeQCI hOhQgG ai MQcI GdhMOI GdYQHjI (B: s (3HMhK hefGbTGJ GdfOhI GdacQjI GdJi fXegG eQcR OQGSGJ GdhMOI GdYQHjI (B/ s - (3eQcR OQGSGJ GdhMOI GdYQHjIs ((3HjQhJ (B: s (3eQcR OQGSGJ GdhMOI GdYQHjI , s, 1982)
Keywords: (3GdeQCI ai GdMjGI GdYGeIs; (3GdfSGAs; (3GdTNUjIs; (3GdLeYjGJ GdGSdGejIs; (3GdeQCI ai GdSjGSIs