(3fGSN GdMOjK hefShNg (B/ s - (3TGgjf,GHi MaU YeQ Hf GMeO Hf YKeGfs 297-385(3g` s; (3GdRgjQj,SejQ Hf Gejfs ((3GdGQOf(B:s (3ecJHI GdefGQ ddfTQ hGdJhRjY ,s, 1988)
Keywords: (3GdMOjKs -- (3GdfGSN hGdefShNs