(3dSGf GddSGf (B:s (3JgPjH dSGf GdYQH (B/s - (3GHf efXhQ, eMeO Hf ecQe Hf Ydj,s 630-711 (3g`(B.s; (3egfG, YHO GdCejQ Ydjs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1993)
Keywords: (3GddZI GdYQHjIs -- (3eYGLes