1.
Web Resoning and Rule Systems : 5th International Conference, RR 2011, Galway, Ireland, Augu...
by Gutierrez, Claudio, Rudolph...
ISBN: 9783642235795
List Price: $83.00
2.
Computers, Ethics, and Society
by Ermann, M. David, Gutierrez...
ISBN: 9780195058505
List Price: $19.95