(3cJGH GdGYJHGQ aj HjGf GdfGSN hGdefShM ef GdBKGQ (B/s - (3GdgePGfj, eMeO Hf ehSi Hf YKeGf,s 548-584 (3gLQjG(B.s; (3MGcej, QGJHs ([(3O(B. (3e(B. :s (3O(B. (3f(B.](3,s, 1966)
Keywords: (3GdMOjKs -- (3GdfGSN hGdefShNs