(3GdeONd Gdi GdKbGaI GdGSdGejI (B/ s - (3SGde, eMeO QTGO, s 1927-1986(3, s ((3GdchjJ (B: s (3OGQ Gdbde, (B397 (3g`(B. = 1977.s, 1977)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B270-274.s
Keywords: (3GdGSdGes -- (3GdbQf (B20.s; (3GdKbGaI GdGSdGejI(B.s; (3GdGSdGes -- (3MQcGJ GdGMjGA hGdGUdGM hGdJLOjO(B.s