(3GdEeGQI GdWGFjI aj HdGO GdTGe (B/ s - (3GdMjGQj, eUWais ((3YeGf (B:s (3hRGQI GdTHGH h GdKbGaI,s, 1977)
Keywords: (3JGQjN GdYQHs; (3GdeeGdjc (B1250-1517s