(3GSS GfJbGd GdMQGQI(B/ s - (3GfcQhHjQG, aQGfc H(B.s; (3OhhJ, OjajO Hs; (3UGdM GSeGYjd fLes; (3aGFb YHOGdhgGH MeOs; (3GdGWQbLj, eCehf ajUds ((3GdHUQI(B[(3GdYQGb(B]:s (3GdLGeYI, s, 1985)
Keywords: (3GdMQGQIs -- (3fbds