Useful Links for Lidar Software on the Web.

http://bcal.geology.isu.edu/tools-2/envi-tools

http://pointclouds.org/

http://opentopo.sdsc.edu/gridsphere/gridsphere?cid=contributeframeportlet&gs_action=listTools

http://www.isprs.org/education/software.aspx

http://bprc.osu.edu/~yushin/IMMATCH/IMMATCHPROG.html

Articles

http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5738677