(3fXQGJ abgjI hJQHhjI aj CeKGd GdMOjK eY JbOeI aj Ydhe GdMOjK (B/s - (3YHO GdeLjO, YHO GdeLjO eMehOs ((3GdWGFa, GdSYhOjI (B:s (3ecJHI GdUOjb,s (3LOI(B:s (3ecJHI GdShGOj,s, 1992)
(3HHdjhLQGajI (B: (3U(B. 413-417.s
Keywords: (3GdMOjKs -- (3CeKGds; (3GdCeKGd aj GdMOjKs