Fast and Simple Approximation of the Diameter and Radius of a Graph. - Krists Boitmanis; Karlis Freivalds; Peteris Ledins; Rudolfs Opmanis (WEA, 2006)

Visualizing Internet Evolution on the Autonomous Systems Level. - Krists Boitmanis; Ulrik Brandes; Christian Pich 001 (GD, 2007)