1. Carter RL, Crovella ME. Measuring bottleneck link speed in packet-switched networks. Technical Report BU-CS-96-006, Boston University, 1996.
2. Jacobson V. Pathchar: a tool to infer characteristics of Internet paths. Presented at the Mathematical Science Research Institute (MSRI), 1997. ftp://ftp.ee.lbl.gov/pathchar/ [18 September 2007].
3. Downey AB. Using pathchar to estimate Internet link characteristics. In ACM SIGCOM'99.
4. Mah BA. pchar: a tool for measuring Internet path characteristics. http://www.kitchenlab.org/www/bmah/Software/pchar/ [27 February 2007].
5. Dovrolis D, Ramanathan P, Crovella E. What do packet dispersion techniques measure? In Proceedings of IEEE Infocom, April 2001; 905-914.