(3GdJfXje h JHSjW GdELQGAGJ (B/ s - (3YHO GdefYe, YRg UHMjs ((3GdbGgQI (B:s (3LGeYI GdOhd GdYQHjI(B- (3GdefXeI GdYQHjI ddYdhe GdCOGQjI (B- (3eQcR GdHMhK GdCOGQjI,s, 1977)
Keywords: (3GdEOGQIs; (3JbfjGJ GdEOGQIs