* [Duda, A., Harrus, G., Haddad, Y., and Bernard, G.: Estimating global time
* in distributed systems, Proc. 7th Int. Conf. on Distributed Computing
* Systems, Berlin, volume 18, 1987] p.304
* [Duda, A., Harrus, G., Haddad, Y., and Bernard, G.: Estimating global time
* in distributed systems, Proc. 7th Int. Conf. on Distributed Computing
* Systems, Berlin, volume 18, 1987] p.304