(3YTQ SfhGJ aj GdaVGA (B:s (3JGQjN ehLR hOQGSI JMdjdjI (B/s - (3GddbGfj, eMeO Ydjs ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1971)
(3HHdjhLQGajI (B: (3UaMI (B242-243.s
Keywords: (3GdedGMI GdaVGFjIs; (3Ydhe GdaVGAs