(3Yde GdOdGdI aj GdcJH GdYQHjI (B:s (3OQGSI dZhjI aj cJH GdJQGK (B/s - (3MeGO, CMeO YHO GdQMefs ((3OHj, GdEeGQGJ GdYQHjI GdeJMOI (B:s (3OGQ Gdbde,s, 1986)
(3HHdjhLQGajI (B: (3U(B. 110-112.s
Keywords: (3GddZI GdYQHjIs -- (3Yde GdOdGdIs; (3GddZI GdYQHjIs -- (3CdaGXs