(3OjhGf GdTeGN Hf VQGQ GdPHjGfj (B/ s - (3GdTeGN Hf VQGQ Hf MQedI, s (3Jhaj (B22 (3gLQj, s; (3GdgGOj, UdGM GdOjf eMeO, s; (3GdOShbj, YeQ, s (3Jhaj (B1976(3, s ((3GdbGgQI, eUQ (B: s (3OGQ GdeYGQa (B968.s, 1968)
(3jVe cTGaGJ(B.s
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B481-496.s
Keywords: (3GdTYQ GdYQHjs -- (3GdYUQ GdLGgdj(B.s; (3GdTYQ GdYQHjs -- (3YUQ UOQ GdESdGe, (B610-661s