(3eNJGQGJ ef GdeSQM GdYGdei (B/ s - (3eMeO YHOGdefYe LdGd (B((3eJQLe(B)s; (3SGQJQ , LGf Hhds ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1996)
Keywords: (3GdGOHs; (3GdeSQMjGJs; (3GdeSQMjGJ GdGfLdjRjIs; (3GdeSQMjGJ GdaQfSjIs