1. http://www.velodynelidar.com/lidar/hdlproducts/hdl64e.aspx
2. Jazwinski, A.H.: Stochastic Processes and Filtering Theory. Academic Press, New York (1970)
3. Anderson, B.D., Moore, J.B.: Optimal Filtering. Prentice-Hall, New Jersey (1979)
4. Askne, J.: Remote Sensing Using Microwaves, Department of Radio and Space Science. Chalmers University of Technology. Göthenburg, Sweden (2002)
5. Bar-Shalom, Y., Fortmann, T.E.: Tracking and Data Association. Academic Press, San Diego (1988)