(3SMQ GdGdcJQhfjGJ GdMOjKI (B/ s - (3aGQhb eMeO GdYGeQis; (3Gejf ageis ((3GdbGgQI (B: s (3eQcR fGUQ ddOQGSGJ GdGdcJQhfjI , s, 1990)
Keywords: (3GdgfOSI GdGdcJQhfjIs; (3GdGLgRI GdGdcJQhfjIs; (3GdGdcJQhfGJs