(3GdHdZI aj JQGLe CFeI GdfMh h GddZI (B/ s - (3GdajQhR GHGOj, CHh WGgQ eMeO Hf jYbhH Hf (B...s; (3GdeUQj, eMeOs ((3GdchjJ (B:s (3eQcR GdeNWhWGJ h GdJQGK,s, 1987)
Keywords: (3GddZhjhfs; (3GdJQGLes; (3GdfMhjhfs