M. Horauer, N. Kerö, U. Schmid:
"A network interface for highly accurate clock synchronization";
Talk: Austrochip, Graz, Austria; 2000; in: "Proc. AUSTROCHIP'00", (2000), ISBN: 3-9501349-0-5; 93 - 101.
http://www.auto.tuwien.ac.at/Projects/SynUTC/papers.html