(3JGQjN GdNdaGA (B/s - (3GHf eGLI, eMeO Hf jRjO GdQHYj,s 209-273 (3g`(B.s; (3GdSOhSj, YeQ Hf MaU Hf YeQ,s (3J(B. 293 (3g`(B.s; (3GdMGaX, eMeO eWjYs ((3HjQhJ (B:s (3eDSSI GdQSGdI,s, 1979)
(3fTQ Yf CUd aQjO aj GdecJHI GdXGgQjI HOeTb HNW GdMGaX GdeDQN CHj GdbGSe Ydj Hf GdMSf Hf gHI Gddg GdTGaYj GdeYQha HGHf YSGcQ(B.s
Keywords: (3GdNdaGA GdQGTOhfs -- (3JGQjNs; (3GdJGQjN GdESdGejs -- (3YUQ UOQ GdESdGe, (B610-661s