(3fbO GdYbd GdLOdj (B: s (3GdeGQcSjI h GdhLhOjI (B/ s - (3SGQJQ, LGf Hhds; (3GdMafj, YHO GdefYes ((3GdbGgQI (B:s (3ecJHI eOHhdj,s, 1977)
Keywords: (3GdhLhOjIs; (3GdeGQcSjIs; (3GdadSaI GdaQfSjIs