Science China Information Sciences
Science China Information Sciences > 2010 > 53 > 4 > 780-787
Science China Information Sciences > 2010 > 53 > 7 > 1379-1396
Science China Information Sciences > 2010 > 53 > 4 > 780-787
Science China Information Sciences > 2010 > 53 > 7 > 1379-1396