Etalle, S. and den Hartog, J.I. and Marsh, S. (2007) Trust and Punishment. In: 

Proceedings of the 1st International Conference on Autonomic Computing and 

Communication Systems, Autonomics, Rome, Italy. ACM InternationalConference 

Proceeding Series (302). ACM: Association for Computing Machinery. 

ISBN 978-963-9799-09-7