Science China Information Sciences
Science China Information Sciences > 2004 > 47 > 5 > 669-680
Science China Information Sciences > 2004 > 47 > 5 > 587-611
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Science China Information Sciences > 2004 > 47 > 5 > 612-622
Science China Information Sciences > 2004 > 47 > 5 > 655-668
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Science China Information Sciences > 2004 > 47 > 5 > 635-654