Science China Information Sciences
Science China Information Sciences > 2012 > 55 > 4 > 747-754
Science China Information Sciences > 2012 > 55 > 11 > 2445-2453
Science China Information Sciences > 2012 > 55 > 4 > 747-754
Science China Information Sciences > 2012 > 55 > 11 > 2445-2453