(3ef ChLg GdEYLGR GdYdej ddbQBf GdcQje aj YGde GdHMGQ (B:s (3CHMGK GdeDJeQ GdYGdej GdChd ddEYLGR aj GdbQBf hGdSfI (B/s - (3GdeDJeQ GdYGdej ddEYLGR GdYdej aj GdbQBf hGdSfIs 1987 : (3ESdGe BHGO(B)s; (3GdgjFI GdYGdejI ddEYLGR GdYdej aj GdbQBf hGdSfI (B((3ecI GdecQeI(B)s ((3ecI GdecQeI(B:s (3gjFI GdGYLGR GdYdej aj GdbQGf hGdSfIs, 2000)
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Keywords: (3GdbQBfs -- (3EYLGR Ydejs -- (3eDJeQGJs; (3GdMOjKs -- (3EYLGRs -- (3eDJeQGJs; (3GdbQBf hYde GdHMGQs -- (3eDJeQGJs