Information Sciences
Information Sciences > 2011 > 181 > 1 > 227-233
Information Sciences > 2011 > 181 > 3 > 379-397
Information Sciences > 2011 > 181 > 13 > 2892-2905
Information Sciences > 2011 > 181 > 1 > 227-233
Information Sciences > 2011 > 181 > 3 > 379-397
Information Sciences > 2011 > 181 > 13 > 2892-2905